Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2101592196', 'doi': 'https://doi.org/10.1164/ajrccm.180.2.188', 'title': 'Endothelial Function in COPD', 'display_name': 'Endothelial Function in COPD', 'publication_year': 2009, 'publication_date': '2009-07-15', 'ids': {'openalex': 'https://openalex.org/W2101592196', 'doi': 'https://doi.org/10.1164/ajrccm.180.2.188', 'mag': '2101592196', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/19578140'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1164/ajrccm.180.2.188', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S93356601', 'display_name': 'American Journal of Respiratory and Critical Care Medicine', 'issn_l': '1073-449X', 'issn': ['1073-449X', '1535-4970'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310316311', 'host_organization_name': 'American Thoracic Society', 'host_organization_lineage': ['https://openalex.org/P4310316311'], 'host_organization_lineage_names': ['American Thoracic Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'letter', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5068951906', 'display_name': 'Claudio Pedone', 'orcid': 'https://orcid.org/0000-0003-1847-9032'}, 'institutions': [{'id': 'https://openalex.org/I155125353', 'display_name': 'Università Campus Bio-Medico', 'ror': 'https://ror.org/04gqx4x78', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I155125353']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Claudio Pedone', 'raw_affiliation_strings': ['Università Campus Biomedico\u2028 Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Università Campus Biomedico\u2028 Rome, Italy', 'institution_ids': ['https://openalex.org/I155125353']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5075960101', 'display_name': 'Leo Moro', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I155125353', 'display_name': 'Università Campus Bio-Medico', 'ror': 'https://ror.org/04gqx4x78', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I155125353']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Leo Moro', 'raw_affiliation_strings': ['Università Campus Biomedico\u2028 Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Università Campus Biomedico\u2028 Rome, Italy', 'institution_ids': ['https://openalex.org/I155125353']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5018993345', 'display_name': 'Raffaele Antonelli Incalzi', 'orcid': 'https://orcid.org/0000-0003-2100-2075'}, 'institutions': [{'id': 'https://openalex.org/I155125353', 'display_name': 'Università Campus Bio-Medico', 'ror': 'https://ror.org/04gqx4x78', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I155125353']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Raffaele Antonelli-Incalzi', 'raw_affiliation_strings': ['Università Campus Biomedico\u2028 Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Università Campus Biomedico\u2028 Rome, Italy', 'institution_ids': ['https://openalex.org/I155125353']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 64}, 'biblio': {'volume': '180', 'issue': '2', 'first_page': '188', 'last_page': '188'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10143', 'display_name': 'Standardisation and Management of COPD', 'score': 0.9998, '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': 'Standardisation and Management of COPD', 'score': 0.9998, '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/T10322', 'display_name': 'Mechanical Ventilation in Respiratory Failure and ARDS', 'score': 0.9986, '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/T11968', 'display_name': 'Genetic and Physiological Adaptations to High-Altitude Environments', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/1311', 'display_name': 'Genetics'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/copd', 'display_name': 'COPD', 'score': 0.70228}, {'id': 'https://openalex.org/keywords/lung-function', 'display_name': 'lung function', 'score': 0.558571}, {'id': 'https://openalex.org/keywords/positive-end-expiratory-pressure', 'display_name': 'Positive End-Expiratory Pressure', 'score': 0.51675}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9217299}, {'id': 'https://openalex.org/C2776780178', 'wikidata': 'https://www.wikidata.org/wiki/Q199804', 'display_name': 'COPD', 'level': 2, 'score': 0.7245712}, {'id': 'https://openalex.org/C3018587741', 'wikidata': 'https://www.wikidata.org/wiki/Q7886', 'display_name': 'Lung function', 'level': 3, 'score': 0.5057163}, {'id': 'https://openalex.org/C14036430', 'wikidata': 'https://www.wikidata.org/wiki/Q3736076', 'display_name': 'Function (biology)', 'level': 2, 'score': 0.5003922}, {'id': 'https://openalex.org/C177713679', 'wikidata': 'https://www.wikidata.org/wiki/Q679690', 'display_name': 'Intensive care medicine', 'level': 1, 'score': 0.46321613}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.26461732}, {'id': 'https://openalex.org/C2777714996', 'wikidata': 'https://www.wikidata.org/wiki/Q7886', 'display_name': 'Lung', 'level': 2, 'score': 0.115082294}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.07119131}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D004730', 'descriptor_name': 'Endothelium, Vascular', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': True}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': True}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': True}, {'descriptor_ui': 'D014664', 'descriptor_name': 'Vasodilation', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D004730', 'descriptor_name': 'Endothelium, Vascular', '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': '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': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': False}, {'descriptor_ui': 'D014664', 'descriptor_name': 'Vasodilation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1164/ajrccm.180.2.188', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S93356601', 'display_name': 'American Journal of Respiratory and Critical Care Medicine', 'issn_l': '1073-449X', 'issn': ['1073-449X', '1535-4970'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310316311', 'host_organization_name': 'American Thoracic Society', 'host_organization_lineage': ['https://openalex.org/P4310316311'], 'host_organization_lineage_names': ['American Thoracic Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/19578140', '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': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'score': 0.64, 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 5, 'referenced_works': ['https://openalex.org/W2042847551', 'https://openalex.org/W2087404728', 'https://openalex.org/W2118228748', 'https://openalex.org/W2150393833', 'https://openalex.org/W2179649677'], 'related_works': ['https://openalex.org/W4389568370', 'https://openalex.org/W3108674512', 'https://openalex.org/W3032375762', 'https://openalex.org/W3031052312', 'https://openalex.org/W2748952813', 'https://openalex.org/W2586801360', 'https://openalex.org/W2080531066', 'https://openalex.org/W1995515455', 'https://openalex.org/W1506200166', 'https://openalex.org/W1489783725'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2101592196', 'counts_by_year': [], 'updated_date': '2024-09-14T03:58:56.592453', 'created_date': '2016-06-24'}