Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2022799351', 'doi': 'https://doi.org/10.3390/ijerph10127257', 'title': 'Prevalence of COPD and Tobacco Smoking in Tunisia — Results from the BOLD Study', 'display_name': 'Prevalence of COPD and Tobacco Smoking in Tunisia — Results from the BOLD Study', 'publication_year': 2013, 'publication_date': '2013-12-17', 'ids': {'openalex': 'https://openalex.org/W2022799351', 'doi': 'https://doi.org/10.3390/ijerph10127257', 'mag': '2022799351', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/24351745', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/3881165'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph10127257', 'pdf_url': 'https://www.mdpi.com/1660-4601/10/12/7257/pdf?version=1403141563', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.mdpi.com/1660-4601/10/12/7257/pdf?version=1403141563', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5071918961', 'display_name': 'Hager Daldoul', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8636806', 'display_name': 'University of Sousse', 'ror': 'https://ror.org/00dmpgj58', 'country_code': 'TN', 'type': 'education', 'lineage': ['https://openalex.org/I8636806']}], 'countries': ['TN'], 'is_corresponding': False, 'raw_author_name': 'Hager Daldoul', 'raw_affiliation_strings': ['Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia', 'institution_ids': ['https://openalex.org/I8636806']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5014802516', 'display_name': 'Myriam Denguezli', 'orcid': 'https://orcid.org/0000-0002-4583-1145'}, 'institutions': [{'id': 'https://openalex.org/I8636806', 'display_name': 'University of Sousse', 'ror': 'https://ror.org/00dmpgj58', 'country_code': 'TN', 'type': 'education', 'lineage': ['https://openalex.org/I8636806']}], 'countries': ['TN'], 'is_corresponding': False, 'raw_author_name': 'Meriam Denguezli', 'raw_affiliation_strings': ['Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia.'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia.', 'institution_ids': ['https://openalex.org/I8636806']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5036841657', 'display_name': 'Anamika Jithoo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I47508984', 'display_name': 'Imperial College London', 'ror': 'https://ror.org/041kmwe10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I47508984']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Anamika Jithoo', 'raw_affiliation_strings': ['National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK'], 'affiliations': [{'raw_affiliation_string': 'National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK', 'institution_ids': ['https://openalex.org/I47508984']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5080416947', 'display_name': 'Louisa Gnatiuc', 'orcid': 'https://orcid.org/0000-0002-0641-2220'}, 'institutions': [{'id': 'https://openalex.org/I47508984', 'display_name': 'Imperial College London', 'ror': 'https://ror.org/041kmwe10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I47508984']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Louisa Gnatiuc', 'raw_affiliation_strings': ['National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK'], 'affiliations': [{'raw_affiliation_string': 'National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK', 'institution_ids': ['https://openalex.org/I47508984']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5036868150', 'display_name': 'Sonia Buist', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I165690674', 'display_name': 'Oregon Health & Science University', 'ror': 'https://ror.org/009avj582', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I165690674']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Sonia Buist', 'raw_affiliation_strings': ['Department of Pulmonary and Critical Care Medicine, Oregon Health and Science University, Portland, OR 97239, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Pulmonary and Critical Care Medicine, Oregon Health and Science University, Portland, OR 97239, USA', 'institution_ids': ['https://openalex.org/I165690674']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5044492838', 'display_name': 'Peter Burney', 'orcid': 'https://orcid.org/0000-0001-8635-5678'}, 'institutions': [{'id': 'https://openalex.org/I47508984', 'display_name': 'Imperial College London', 'ror': 'https://ror.org/041kmwe10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I47508984']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Peter Burney', 'raw_affiliation_strings': ['National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK'], 'affiliations': [{'raw_affiliation_string': 'National Heart and Lung Institute, Imperial College London, Emmanuel Kaye Building, 1 Manresa Road, London, SW3 6LR, UK', 'institution_ids': ['https://openalex.org/I47508984']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5066950083', 'display_name': 'Zouhaïr Tabka', 'orcid': 'https://orcid.org/0000-0002-8854-8286'}, 'institutions': [{'id': 'https://openalex.org/I8636806', 'display_name': 'University of Sousse', 'ror': 'https://ror.org/00dmpgj58', 'country_code': 'TN', 'type': 'education', 'lineage': ['https://openalex.org/I8636806']}], 'countries': ['TN'], 'is_corresponding': False, 'raw_author_name': 'Zouhair Tabka', 'raw_affiliation_strings': ['Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Physiology, Faculty of Medicine Ibn El Jazzar, Mohamed Karoui Avenue, Sousse 4000, Tunisia', 'institution_ids': ['https://openalex.org/I8636806']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5088369456', 'display_name': 'Imed Harrabi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210087936', 'display_name': 'Hôpital Farhat Hached', 'ror': 'https://ror.org/0059hys23', 'country_code': 'TN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087936']}], 'countries': ['TN'], 'is_corresponding': False, 'raw_author_name': 'Imed Harrabi', 'raw_affiliation_strings': ['Department of Epidemiology, University Hospital Farhat Hached, Sousse 4000, Tunisia'], 'affiliations': [{'raw_affiliation_string': 'Department of Epidemiology, University Hospital Farhat Hached, Sousse 4000, Tunisia', 'institution_ids': ['https://openalex.org/I4210087936']}]}], 'institution_assertions': [], 'countries_distinct_count': 3, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2500, 'currency': 'CHF', 'value_usd': 2707, 'provenance': 'doaj'}, 'apc_paid': {'value': 1370, 'currency': 'EUR', 'value_usd': 1477, 'provenance': 'openapc'}, 'fwci': 2.462, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 43, 'citation_normalized_percentile': {'value': 0.941328, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': '10', 'issue': '12', 'first_page': '7257', 'last_page': '7271'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10051', 'display_name': 'Asthma and respiratory diseases', 'score': 0.98, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10322', 'display_name': 'Respiratory Support and Mechanisms', 'score': 0.9795, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/obstructive-lung-disease', 'display_name': 'Obstructive lung disease', 'score': 0.612117}], 'concepts': [{'id': 'https://openalex.org/C2776780178', 'wikidata': 'https://www.wikidata.org/wiki/Q199804', 'display_name': 'COPD', 'level': 2, 'score': 0.97095835}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.88003016}, {'id': 'https://openalex.org/C2780333948', 'wikidata': 'https://www.wikidata.org/wiki/Q653305', 'display_name': 'Spirometry', 'level': 3, 'score': 0.8184124}, {'id': 'https://openalex.org/C2777104659', 'wikidata': 'https://www.wikidata.org/wiki/Q3508797', 'display_name': 'Obstructive lung disease', 'level': 3, 'score': 0.612117}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.5476264}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.529482}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.44225067}, {'id': 'https://openalex.org/C99454951', 'wikidata': 'https://www.wikidata.org/wiki/Q932068', 'display_name': 'Environmental health', 'level': 1, 'score': 0.18366438}, {'id': 'https://openalex.org/C2776042228', 'wikidata': 'https://www.wikidata.org/wiki/Q35869', 'display_name': 'Asthma', 'level': 2, 'score': 0.1714834}], 'mesh': [{'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D012907', 'descriptor_name': 'Smoking', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015995', 'descriptor_name': 'Prevalence', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000139', 'qualifier_name': 'chemically induced', 'is_major_topic': False}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000191', 'qualifier_name': 'economics', 'is_major_topic': False}, {'descriptor_ui': 'D012129', 'descriptor_name': 'Respiratory Function Tests', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012907', 'descriptor_name': 'Smoking', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012907', 'descriptor_name': 'Smoking', 'qualifier_ui': 'Q000191', 'qualifier_name': 'economics', 'is_major_topic': False}, {'descriptor_ui': 'D013147', 'descriptor_name': 'Spirometry', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011795', 'descriptor_name': 'Surveys and Questionnaires', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014416', 'descriptor_name': 'Tunisia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014416', 'descriptor_name': 'Tunisia', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}], 'locations_count': 6, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph10127257', 'pdf_url': 'https://www.mdpi.com/1660-4601/10/12/7257/pdf?version=1403141563', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/b3c6adcf11a443c18bb555cded5826a2', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc3881165', 'pdf_url': 'https://europepmc.org/articles/pmc3881165?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://ora.ox.ac.uk/objects/uuid:aea2c8bc-7e19-4954-8a27-8679d1a876b1', 'pdf_url': 'https://ora.ox.ac.uk/objects/uuid:aea2c8bc-7e19-4954-8a27-8679d1a876b1/files/m4abb700eeb1f877cb690582a5ddfa76d', 'source': {'id': 'https://openalex.org/S4306402636', 'display_name': 'Oxford University Research Archive (ORA) (University of Oxford)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I40120149', 'host_organization_name': 'University of Oxford', 'host_organization_lineage': ['https://openalex.org/I40120149'], 'host_organization_lineage_names': ['University of Oxford'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3881165', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/24351745', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph10127257', 'pdf_url': 'https://www.mdpi.com/1660-4601/10/12/7257/pdf?version=1403141563', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'score': 0.87, 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 41, 'referenced_works': ['https://openalex.org/W1899678835', 'https://openalex.org/W1965294032', 'https://openalex.org/W1969444407', 'https://openalex.org/W1991180945', 'https://openalex.org/W2009626240', 'https://openalex.org/W2027139798', 'https://openalex.org/W2032558482', 'https://openalex.org/W2039491239', 'https://openalex.org/W2045616259', 'https://openalex.org/W2057156325', 'https://openalex.org/W2070534582', 'https://openalex.org/W2072349084', 'https://openalex.org/W2084257338', 'https://openalex.org/W2093300403', 'https://openalex.org/W2108678383', 'https://openalex.org/W2110367477', 'https://openalex.org/W2112194469', 'https://openalex.org/W2116141140', 'https://openalex.org/W2119767177', 'https://openalex.org/W2121275499', 'https://openalex.org/W2123084333', 'https://openalex.org/W2124879124', 'https://openalex.org/W2125065061', 'https://openalex.org/W2127422871', 'https://openalex.org/W2128643205', 'https://openalex.org/W2129546035', 'https://openalex.org/W2142450964', 'https://openalex.org/W2144138285', 'https://openalex.org/W2145964444', 'https://openalex.org/W2150247259', 'https://openalex.org/W2155767904', 'https://openalex.org/W2157861074', 'https://openalex.org/W2166841037', 'https://openalex.org/W2169071046', 'https://openalex.org/W2317485334', 'https://openalex.org/W2419028633', 'https://openalex.org/W2496076924', 'https://openalex.org/W2604596332', 'https://openalex.org/W2885109827', 'https://openalex.org/W4251901755', 'https://openalex.org/W64362699'], 'related_works': ['https://openalex.org/W36013539', 'https://openalex.org/W3121830630', 'https://openalex.org/W2563853635', 'https://openalex.org/W2303425537', 'https://openalex.org/W2139566553', 'https://openalex.org/W2092578503', 'https://openalex.org/W2087012352', 'https://openalex.org/W2079649620', 'https://openalex.org/W2043525715', 'https://openalex.org/W150577915'], 'abstract_inverted_index': {'In': [0, 171, 190], 'Tunisia,': [1], 'there': [2], 'is': [3, 179, 195], 'a': [4, 140, 196], 'paucity': [5], 'of': [6, 24, 29, 55, 95, 111, 146, 166, 177, 201], 'population-based': [7], 'data': [8], 'on': [9, 44], 'Chronic': [10, 74], 'Obstructive': [11, 75], 'Pulmonary': [12], 'Disease': [13, 31, 77], '(COPD)': [14], 'prevalence.': [15], 'To': [16], 'address': [17], 'this': [18, 172], 'problem,': [19], 'we': [20], 'estimated': [21], 'the': [22, 27, 70, 90, 175], 'prevalence': [23, 94, 121, 176], 'COPD': [25, 52, 62, 103, 120, 127, 149, 178], 'following': [26], 'Burden': [28], 'Lung': [30, 76], 'Initiative.': [32], 'We': [33], 'surveyed': [34], '807': [35], 'adults': [36], 'aged': [37, 133], '40+': [38], 'years': [39, 135, 155, 162], 'and': [40, 47, 53, 61, 63, 82, 99, 106, 116, 124, 136, 157, 184], 'have': [41], 'collected': [42], 'information': [43], 'respiratory': [45], 'history': [46], 'symptoms,': [48], 'risk': [49], 'factors': [50], 'for': [51, 73], 'quality': [54], 'life.': [56], 'Post-bronchodilator': [57], 'spirometry': [58], 'was': [59, 128, 150], 'performed': [60], 'its': [64], 'stages': [65], 'were': [66, 87, 104, 122], 'defined': [67], 'according': [68], 'to': [69], 'Global': [71], 'Initiative': [72], '(GOLD)': [78], 'guidelines.': [79], 'Six': [80], 'hundred': [81], 'sixty': [83], 'one': [84], '(661)': [85], 'subjects': [86, 132, 191], 'included': [88], 'in': [89, 131, 137, 152, 159], 'final': [91], 'analysis.': [92], 'The': [93], 'GOLD': [96], 'Stage': [97], 'I': [98, 115], 'II': [100, 117], 'or': [101, 118], 'higher': [102, 119, 180, 185], '7.8%': [105], '4.2%,': [107], 'respectively': [108], '(Lower': [109], 'Limit': [110], 'Normal': [112], 'modified': [113], 'stage': [114, 147], '5.3%': [123], '3.8%,': [125], 'respectively).': [126], 'more': [129, 198], 'common': [130], '70+': [134], 'those': [138], 'with': [139, 192], 'BMI': [141], '<': [142], '20': [143], 'kg/m2.': [144], 'Prevalence': [145], 'I+': [148], '2.3%': [151], '<10': [153], 'pack': [154, 161], 'smoked': [156], '16.1%': [158], '20+': [160], 'smoked.': [163], 'Only': [164], '3.5%': [165], 'participants': [167], 'reported': [168, 182], 'doctor-diagnosed': [169, 188], 'COPD.': [170, 189], 'Tunisian': [173], 'population,': [174], 'than': [181, 186, 204], 'before': [183], 'self-reported': [187], 'COPD,': [193], 'age': [194], 'much': [197], 'powerful': [199], 'predictor': [200], 'lung': [202], 'function': [203], 'smoking.': [205]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2022799351', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 4}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 7}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 9}, {'year': 2014, 'cited_by_count': 2}], 'updated_date': '2024-12-08T14:41:30.144672', 'created_date': '2016-06-24'}