Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4200461345', 'doi': 'https://doi.org/10.1503/cmaj.210541', 'title': 'Polymyalgia rheumatica', 'display_name': 'Polymyalgia rheumatica', 'publication_year': 2021, 'publication_date': '2021-11-21', 'ids': {'openalex': 'https://openalex.org/W4200461345', 'doi': 'https://doi.org/10.1503/cmaj.210541', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/34810164'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1503/cmaj.210541', 'pdf_url': 'https://www.cmaj.ca/content/cmaj/193/46/E1770.full.pdf', 'source': {'id': 'https://openalex.org/S4362743', 'display_name': 'Canadian Medical Association Journal', 'issn_l': '0820-3946', 'issn': ['0820-3946', '1488-2329'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320072', 'host_organization_name': 'Canadian Medical Association', 'host_organization_lineage': ['https://openalex.org/P4310320072'], 'host_organization_lineage_names': ['Canadian Medical Association'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.cmaj.ca/content/cmaj/193/46/E1770.full.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5068345890', 'display_name': 'Hans Rosenberg', 'orcid': 'https://orcid.org/0000-0002-9824-0285'}, 'institutions': [{'id': 'https://openalex.org/I2800722420', 'display_name': 'Ottawa Hospital', 'ror': 'https://ror.org/03c62dg59', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800722420']}, {'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Hans Rosenberg', 'raw_affiliation_strings': ['Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.'], 'affiliations': [{'raw_affiliation_string': 'Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.', 'institution_ids': ['https://openalex.org/I2800722420', 'https://openalex.org/I153718931']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5023384917', 'display_name': 'Samantha Halman', 'orcid': 'https://orcid.org/0000-0002-5474-9696'}, 'institutions': [{'id': 'https://openalex.org/I2800722420', 'display_name': 'Ottawa Hospital', 'ror': 'https://ror.org/03c62dg59', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800722420']}, {'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Samantha Halman', 'raw_affiliation_strings': ['Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.'], 'affiliations': [{'raw_affiliation_string': 'Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.', 'institution_ids': ['https://openalex.org/I2800722420', 'https://openalex.org/I153718931']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5047978665', 'display_name': 'Krishan Yadav', 'orcid': 'https://orcid.org/0000-0002-1547-4634'}, 'institutions': [{'id': 'https://openalex.org/I2800722420', 'display_name': 'Ottawa Hospital', 'ror': 'https://ror.org/03c62dg59', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800722420']}, {'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Krishan Yadav', 'raw_affiliation_strings': ['Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.'], 'affiliations': [{'raw_affiliation_string': 'Departments of Emergency Medicine (Rosenberg, Yadav) and of Medicine (Halman), University of Ottawa and the Ottawa Hospital, Ottawa, Ont.', 'institution_ids': ['https://openalex.org/I2800722420', 'https://openalex.org/I153718931']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3500, 'currency': 'CAD', 'value_usd': 2553, 'provenance': 'doaj'}, 'apc_paid': {'value': 3500, 'currency': 'CAD', 'value_usd': 2553, 'provenance': 'doaj'}, 'fwci': 0.896, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 5, 'citation_normalized_percentile': {'value': 0.660485, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 78, 'max': 81}, 'biblio': {'volume': '193', 'issue': '46', 'first_page': 'E1770', 'last_page': 'E1770'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11917', 'display_name': 'Coagulation, Bradykinin, Polyphosphates, and Angioedema', 'score': 0.9815, 'subfield': {'id': 'https://openalex.org/subfields/2716', 'display_name': 'Genetics'}, '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/T11917', 'display_name': 'Coagulation, Bradykinin, Polyphosphates, and Angioedema', 'score': 0.9815, 'subfield': {'id': 'https://openalex.org/subfields/2716', 'display_name': 'Genetics'}, '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/T10697', 'display_name': 'Vasculitis and related conditions', 'score': 0.9698, '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/T12438', 'display_name': 'Urticaria and Related Conditions', 'score': 0.951, 'subfield': {'id': 'https://openalex.org/subfields/2745', 'display_name': 'Rheumatology'}, '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/polymyalgia-rheumatica', 'display_name': 'Polymyalgia rheumatica', 'score': 0.9981662}, {'id': 'https://openalex.org/keywords/morning-stiffness', 'display_name': 'Morning stiffness', 'score': 0.50948364}], 'concepts': [{'id': 'https://openalex.org/C2780079024', 'wikidata': 'https://www.wikidata.org/wiki/Q1752891', 'display_name': 'Polymyalgia rheumatica', 'level': 5, 'score': 0.9981662}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8735337}, {'id': 'https://openalex.org/C61511704', 'wikidata': 'https://www.wikidata.org/wiki/Q1671857', 'display_name': 'Incidence (geometry)', 'level': 2, 'score': 0.6908791}, {'id': 'https://openalex.org/C19720800', 'wikidata': 'https://www.wikidata.org/wiki/Q7722', 'display_name': 'Morning', 'level': 2, 'score': 0.51262945}, {'id': 'https://openalex.org/C2909196033', 'wikidata': 'https://www.wikidata.org/wiki/Q559210', 'display_name': 'Morning stiffness', 'level': 4, 'score': 0.50948364}, {'id': 'https://openalex.org/C16005928', 'wikidata': 'https://www.wikidata.org/wiki/Q171171', 'display_name': 'Dermatology', 'level': 1, 'score': 0.43081698}, {'id': 'https://openalex.org/C2779134260', 'wikidata': 'https://www.wikidata.org/wiki/Q12136', 'display_name': 'Disease', 'level': 2, 'score': 0.42918825}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.39595276}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.3306586}, {'id': 'https://openalex.org/C2776712624', 'wikidata': 'https://www.wikidata.org/wiki/Q707816', 'display_name': 'Giant cell arteritis', 'level': 4, 'score': 0.30790767}, {'id': 'https://openalex.org/C2776015282', 'wikidata': 'https://www.wikidata.org/wiki/Q644318', 'display_name': 'Vasculitis', 'level': 3, 'score': 0.07110122}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C2776260265', 'wikidata': 'https://www.wikidata.org/wiki/Q511097', 'display_name': 'Psoriatic arthritis', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D005938', 'descriptor_name': 'Glucocorticoids', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': True}, {'descriptor_ui': 'D011111', 'descriptor_name': 'Polymyalgia Rheumatica', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': True}, {'descriptor_ui': 'D011111', 'descriptor_name': 'Polymyalgia Rheumatica', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', 'is_major_topic': True}, {'descriptor_ui': 'D011241', 'descriptor_name': 'Prednisone', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003937', 'descriptor_name': 'Diagnosis, Differential', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013700', 'descriptor_name': 'Giant Cell Arteritis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013700', 'descriptor_name': 'Giant Cell Arteritis', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D013700', 'descriptor_name': 'Giant Cell Arteritis', 'qualifier_ui': 'Q000209', 'qualifier_name': 'etiology', 'is_major_topic': False}, {'descriptor_ui': 'D005938', 'descriptor_name': 'Glucocorticoids', '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': 'D015994', 'descriptor_name': 'Incidence', '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': 'D008487', 'descriptor_name': 'Medical History Taking', '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': 'D011111', 'descriptor_name': 'Polymyalgia Rheumatica', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011111', 'descriptor_name': 'Polymyalgia Rheumatica', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D011111', 'descriptor_name': 'Polymyalgia Rheumatica', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}, {'descriptor_ui': 'D011241', 'descriptor_name': 'Prednisone', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 3, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1503/cmaj.210541', 'pdf_url': 'https://www.cmaj.ca/content/cmaj/193/46/E1770.full.pdf', 'source': {'id': 'https://openalex.org/S4362743', 'display_name': 'Canadian Medical Association Journal', 'issn_l': '0820-3946', 'issn': ['0820-3946', '1488-2329'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320072', 'host_organization_name': 'Canadian Medical Association', 'host_organization_lineage': ['https://openalex.org/P4310320072'], 'host_organization_lineage_names': ['Canadian Medical Association'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8608453', '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/34810164', '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/10.1503/cmaj.210541', 'pdf_url': 'https://www.cmaj.ca/content/cmaj/193/46/E1770.full.pdf', 'source': {'id': 'https://openalex.org/S4362743', 'display_name': 'Canadian Medical Association Journal', 'issn_l': '0820-3946', 'issn': ['0820-3946', '1488-2329'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320072', 'host_organization_name': 'Canadian Medical Association', 'host_organization_lineage': ['https://openalex.org/P4310320072'], 'host_organization_lineage_names': ['Canadian Medical Association'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.74}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 7, 'referenced_works': ['https://openalex.org/W1774118966', 'https://openalex.org/W2138923030', 'https://openalex.org/W2156126080', 'https://openalex.org/W2427523709', 'https://openalex.org/W4211106135', 'https://openalex.org/W4243423871', 'https://openalex.org/W4294350876'], 'related_works': ['https://openalex.org/W4308317757', 'https://openalex.org/W41306715', 'https://openalex.org/W2970610209', 'https://openalex.org/W2617291340', 'https://openalex.org/W2474458165', 'https://openalex.org/W2328569263', 'https://openalex.org/W2283481253', 'https://openalex.org/W2131663402', 'https://openalex.org/W2113088965', 'https://openalex.org/W1989745983'], 'abstract_inverted_index': {'Polymyalgia': [0, 31], 'rheumatica': [1, 32], 'is': [2, 14, 33], 'the': [3], 'second': [4], 'most': [5], 'prevalent': [6], 'systemic': [7], 'rheumatological': [8], 'disease': [9], 'in': [10], 'adults.': [11], 'Lifetime': [12], 'risk': [13], '2.4%': [15], 'for': [16, 20], 'women': [17], 'and': [18], '1.7%': [19], 'men,': [21], 'with': [22, 40], 'incidence': [23], 'rising': [24], 'from': [25], 'age': [26], '50': [27], 'to': [28], '80': [29], 'years.[1][1]': [30], 'characterized': [34], 'by': [35], 'acute-onset': [36], 'bilateral': [37], 'shoulder': [38], 'pain': [39], 'morning': [41]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4200461345', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 3}], 'updated_date': '2025-01-04T23:06:19.251008', 'created_date': '2021-12-31'}