Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2331205868', 'doi': 'https://doi.org/10.1056/nejm196708102770603', 'title': 'Chondrocalcinosis of the Knee with Gout and Rheumatoid Arthritis', 'display_name': 'Chondrocalcinosis of the Knee with Gout and Rheumatoid Arthritis', 'publication_year': 1967, 'publication_date': '1967-08-10', 'ids': {'openalex': 'https://openalex.org/W2331205868', 'doi': 'https://doi.org/10.1056/nejm196708102770603', 'mag': '2331205868', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/4378249'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1056/nejm196708102770603', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S62468778', 'display_name': 'New England Journal of Medicine', 'issn_l': '0028-4793', 'issn': ['0028-4793', '1533-4406'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320239', 'host_organization_name': 'Massachusetts Medical Society', 'host_organization_lineage': ['https://openalex.org/P4310320239'], 'host_organization_lineage_names': ['Massachusetts Medical Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', '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/A5009600086', 'display_name': 'Armin E. Good', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I27837315', 'display_name': 'University of Michigan–Ann Arbor', 'ror': 'https://ror.org/00jmfr291', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I27837315']}, {'id': 'https://openalex.org/I1322918889', 'display_name': 'United States Department of Veterans Affairs', 'ror': 'https://ror.org/05rsv9s98', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1322918889']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Armin E. Good', 'raw_affiliation_strings': ['Associate professor of radiology, University of Michigan Medical School', 'chief, Department of Radiology, Veterans Administration Hospital.'], 'affiliations': [{'raw_affiliation_string': 'Associate professor of radiology, University of Michigan Medical School', 'institution_ids': ['https://openalex.org/I27837315']}, {'raw_affiliation_string': 'chief, Department of Radiology, Veterans Administration Hospital.', 'institution_ids': ['https://openalex.org/I1322918889']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5110220754', 'display_name': 'Robert P. Rapp', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I27837315', 'display_name': 'University of Michigan–Ann Arbor', 'ror': 'https://ror.org/00jmfr291', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I27837315']}, {'id': 'https://openalex.org/I1322918889', 'display_name': 'United States Department of Veterans Affairs', 'ror': 'https://ror.org/05rsv9s98', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1322918889']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Robert Rapp', 'raw_affiliation_strings': ['Associate professor of radiology, University of Michigan Medical School', 'chief, Department of Radiology, Veterans Administration Hospital.'], 'affiliations': [{'raw_affiliation_string': 'Associate professor of radiology, University of Michigan Medical School', 'institution_ids': ['https://openalex.org/I27837315']}, {'raw_affiliation_string': 'chief, Department of Radiology, Veterans Administration Hospital.', 'institution_ids': ['https://openalex.org/I1322918889']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.973, 'has_fulltext': False, 'cited_by_count': 45, 'citation_normalized_percentile': {'value': 0.938172, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': '277', 'issue': '6', 'first_page': '286', 'last_page': '290'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11139', 'display_name': 'Gout, Hyperuricemia, Uric Acid', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2727', 'display_name': 'Nephrology'}, '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/T11139', 'display_name': 'Gout, Hyperuricemia, Uric Acid', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2727', 'display_name': 'Nephrology'}, '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/T12800', 'display_name': 'Musculoskeletal synovial abnormalities and treatments', 'score': 0.9929, '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'}}, {'id': 'https://openalex.org/T11724', 'display_name': 'Inflammatory Myopathies and Dermatomyositis', 'score': 0.9892, 'subfield': {'id': 'https://openalex.org/subfields/2713', 'display_name': 'Epidemiology'}, '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/chondrocalcinosis', 'display_name': 'Chondrocalcinosis', 'score': 0.99659336}, {'id': 'https://openalex.org/keywords/pseudogout', 'display_name': 'Pseudogout', 'score': 0.9892591}, {'id': 'https://openalex.org/keywords/calcium-pyrophosphate', 'display_name': 'Calcium pyrophosphate', 'score': 0.55255693}], 'concepts': [{'id': 'https://openalex.org/C2778155236', 'wikidata': 'https://www.wikidata.org/wiki/Q559082', 'display_name': 'Chondrocalcinosis', 'level': 4, 'score': 0.99659336}, {'id': 'https://openalex.org/C2910646857', 'wikidata': 'https://www.wikidata.org/wiki/Q64348505', 'display_name': 'Pseudogout', 'level': 3, 'score': 0.9892591}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9173745}, {'id': 'https://openalex.org/C2780402116', 'wikidata': 'https://www.wikidata.org/wiki/Q133087', 'display_name': 'Gout', 'level': 2, 'score': 0.8445131}, {'id': 'https://openalex.org/C2777575956', 'wikidata': 'https://www.wikidata.org/wiki/Q187255', 'display_name': 'Rheumatoid arthritis', 'level': 2, 'score': 0.6027149}, {'id': 'https://openalex.org/C2780309369', 'wikidata': 'https://www.wikidata.org/wiki/Q933382', 'display_name': 'Calcification', 'level': 2, 'score': 0.57489735}, {'id': 'https://openalex.org/C2780608848', 'wikidata': 'https://www.wikidata.org/wiki/Q4363460', 'display_name': 'Calcium pyrophosphate', 'level': 3, 'score': 0.55255693}, {'id': 'https://openalex.org/C2775981168', 'wikidata': 'https://www.wikidata.org/wiki/Q239027', 'display_name': 'Calcinosis', 'level': 3, 'score': 0.42366806}, {'id': 'https://openalex.org/C16005928', 'wikidata': 'https://www.wikidata.org/wiki/Q171171', 'display_name': 'Dermatology', 'level': 1, 'score': 0.38554028}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.3042627}, {'id': 'https://openalex.org/C2776164576', 'wikidata': 'https://www.wikidata.org/wiki/Q62736', 'display_name': 'Osteoarthritis', 'level': 3, 'score': 0.28066337}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.2630431}, {'id': 'https://openalex.org/C519063684', 'wikidata': 'https://www.wikidata.org/wiki/Q706', 'display_name': 'Calcium', 'level': 2, 'score': 0.209963}, {'id': 'https://openalex.org/C204787440', 'wikidata': 'https://www.wikidata.org/wiki/Q188504', 'display_name': 'Alternative medicine', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D001172', 'descriptor_name': 'Arthritis, Rheumatoid', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D002805', 'descriptor_name': 'Chondrocalcinosis', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D006073', 'descriptor_name': 'Gout', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D007719', 'descriptor_name': 'Knee Joint', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001172', 'descriptor_name': 'Arthritis, Rheumatoid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001172', 'descriptor_name': 'Arthritis, Rheumatoid', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D002805', 'descriptor_name': 'Chondrocalcinosis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002805', 'descriptor_name': 'Chondrocalcinosis', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D006073', 'descriptor_name': 'Gout', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006073', 'descriptor_name': 'Gout', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007719', 'descriptor_name': 'Knee Joint', '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': 'D011859', 'descriptor_name': 'Radiography', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013582', 'descriptor_name': 'Synovial Fluid', 'qualifier_ui': 'Q000166', 'qualifier_name': 'cytology', 'is_major_topic': False}, {'descriptor_ui': 'D013582', 'descriptor_name': 'Synovial Fluid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1056/nejm196708102770603', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S62468778', 'display_name': 'New England Journal of Medicine', 'issn_l': '0028-4793', 'issn': ['0028-4793', '1533-4406'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320239', 'host_organization_name': 'Massachusetts Medical Society', 'host_organization_lineage': ['https://openalex.org/P4310320239'], 'host_organization_lineage_names': ['Massachusetts Medical 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/4378249', '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': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.62}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 11, 'referenced_works': ['https://openalex.org/W1696361017', 'https://openalex.org/W1977598167', 'https://openalex.org/W2042122186', 'https://openalex.org/W2066173259', 'https://openalex.org/W2324740338', 'https://openalex.org/W2342316663', 'https://openalex.org/W2419276656', 'https://openalex.org/W2419353275', 'https://openalex.org/W2429542833', 'https://openalex.org/W264270794', 'https://openalex.org/W4241452178'], 'related_works': ['https://openalex.org/W80332319', 'https://openalex.org/W2444172905', 'https://openalex.org/W236840720', 'https://openalex.org/W2331205868', 'https://openalex.org/W2261099759', 'https://openalex.org/W2224620719', 'https://openalex.org/W2136584261', 'https://openalex.org/W2052651610', 'https://openalex.org/W1980720936', 'https://openalex.org/W19527890'], 'abstract_inverted_index': {'X-RAY': [0], 'demonstration': [1], 'of': [2, 22, 61, 67, 71, 92], 'multiple': [3], 'articular': [4], 'chondrocalcinosis': [5, 30], 'has': [6], 'been': [7], 'advanced': [8], 'as': [9, 85, 87], 'a': [10, 17], 'useful': [11], 'preliminary': [12], 'diagnostic': [13], 'sign': [14], 'for': [15], 'pseudogout,': [16, 93], 'disease': [18], 'marked': [19], 'by': [20, 52], 'deposition': [21], 'calcium': [23, 81], 'pyrophosphate': [24], 'dihydrate': [25], '(CPPD)': [26], 'crystals.1': [27], 'When': [28], 'present,': [29], 'is': [31], 'usually': [32, 44], 'most': [33, 46], 'evident': [34], 'in': [35, 40, 59, 89], 'the': [36, 42, 80], 'knee': [37], 'joint,': [38], 'where': [39], 'turn': [41], 'menisci': [43], 'are': [45], 'obviously': [47], 'involved.A': [48], 'recent': [49], 'uncontrolled': [50], 'study': [51], 'Dodds': [53], 'and': [54], 'Steinbach2': [55], 'reported': [56, 90], 'meniscal': [57], 'calcification': [58], '10': [60], '31': [62], 'patients': [63], 'with': [64], 'gout,': [65], '6': [66], 'whom': [68], 'had': [69], 'involvement': [70], 'all': [72], '4': [73], 'menisci.': [74], 'Although': [75], 'these': [76], 'authors': [77], 'noted': [78], 'that': [79], 'deposits': [82], 'were': [83], 'not': [84], 'heavy': [86], 'those': [88], 'cases': [91], 'their': [94], 'findings': [95], 'have': [96], 'cast': [97], 'some': [98], '.': [99, 100, 101]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2331205868', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-12-17T08:15:14.072655', 'created_date': '2016-06-24'}