{"id":"https://openalex.org/W4245080101","doi":"https://doi.org/10.1001/jama.1923.02650120031008","title":"CAUSATIVE FACTORS AND TREATMENT OF CHRONIC EMPYEMA","display_name":"CAUSATIVE FACTORS AND TREATMENT OF CHRONIC EMPYEMA","publication_year":1923,"publication_date":"1923-09-22","ids":{"openalex":"https://openalex.org/W4245080101","doi":"https://doi.org/10.1001/jama.1923.02650120031008"},"language":"en","primary_location":{"id":"doi:10.1001/jama.1923.02650120031008","doi":"https://doi.org/10.1001/jama.1923.02650120031008","is_oa":false,"landing_page_url":"https://doi.org/10.1001/jama.1923.02650120031008","pdf_url":null,"source":{"id":"https://openalex.org/S172573765","display_name":"JAMA","issn_l":"0002-9955","issn":["0002-9955","0098-7484","1538-3598","2376-8118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA: The Journal of the American Medical Association","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5041497053","display_name":"Carl A. Hedblom","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"CARL A. HEDBLOM","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5041497053"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.66144201,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"81","issue":"12","first_page":"999","last_page":"999"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11356","display_name":"Pleural and Pulmonary Diseases","score":0.9990000128746033,"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/T11356","display_name":"Pleural and Pulmonary Diseases","score":0.9990000128746033,"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/T10038","display_name":"Tuberculosis Research and Epidemiology","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"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/T12291","display_name":"Pericarditis and Cardiac Tamponade","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/chronic-empyema","display_name":"chronic empyema","score":0.996999979019165},{"id":"https://openalex.org/keywords/empyema-etiology","display_name":"empyema etiology","score":0.7570000290870667},{"id":"https://openalex.org/keywords/empyema-treatment","display_name":"empyema treatment","score":0.9789999723434448}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9859145879745483},{"id":"https://openalex.org/C2777799383","wikidata":"https://www.wikidata.org/wiki/Q1339539","display_name":"Empyema","level":2,"score":0.8262439370155334},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.5526127815246582},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2391325831413269}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1001/jama.1923.02650120031008","doi":"https://doi.org/10.1001/jama.1923.02650120031008","is_oa":false,"landing_page_url":"https://doi.org/10.1001/jama.1923.02650120031008","pdf_url":null,"source":{"id":"https://openalex.org/S172573765","display_name":"JAMA","issn_l":"0002-9955","issn":["0002-9955","0098-7484","1538-3598","2376-8118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA: The Journal of the American Medical Association","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9763000011444092,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1983778474","https://openalex.org/W2010156158","https://openalex.org/W2327538762","https://openalex.org/W2062532879","https://openalex.org/W2094761066","https://openalex.org/W2115419909","https://openalex.org/W2024522779","https://openalex.org/W2416013526","https://openalex.org/W3090359455","https://openalex.org/W4213228533"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2022-05-12T00:00:00"}