{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T15:30:48Z","timestamp":1770823848753,"version":"3.50.1"},"reference-count":10,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[1973,4,1]],"date-time":"1973-04-01T00:00:00Z","timestamp":102470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1973,4,1]],"date-time":"1973-04-01T00:00:00Z","timestamp":102470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","journal.chestnet.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Chest"],"published-print":{"date-parts":[[1973,4]]},"DOI":"10.1378\/chest.63.4.488","type":"journal-article","created":{"date-parts":[[2007,11,7]],"date-time":"2007-11-07T12:53:57Z","timestamp":1194440037000},"page":"488-494","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":18,"title":["Sarcoidosis and Specific Etiologic Agents: A Continuing Enigma"],"prefix":"10.1016","volume":"63","author":[{"given":"Gerald L.","family":"Baum","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Schwarz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter B.","family":"Barlow","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1378\/chest.63.4.488_bib1","doi-asserted-by":"crossref","first-page":"465","DOI":"10.7326\/0003-4819-41-3-465","article-title":"The riddle of sarcoidosis (Hutchinson Boeck granulomatosis).","volume":"41","author":"Middleton","year":"1954","journal-title":"Ann Intern Med"},{"issue":"Suppl","key":"10.1378\/chest.63.4.488_bib2","first-page":"171","article-title":"Proceedings of the International Conference on Sarcoidosis; report of the medical group.","volume":"84","author":"Israel","year":"1961","journal-title":"Am Rev Resp Dis"},{"key":"10.1378\/chest.63.4.488_bib3","first-page":"721","article-title":"The definitive evaluation of sarcoidosis.","volume":"101","author":"Kent","year":"1970","journal-title":"Am Rev Resp Dis"},{"key":"10.1378\/chest.63.4.488_bib4","first-page":"395","article-title":"Demonstration of acid-fast rods in sarcoidosis.","volume":"101","author":"Vanek","year":"1970","journal-title":"Am Rev Resp Dis"},{"key":"10.1378\/chest.63.4.488_bib5","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1056\/NEJM197102182840701","article-title":"Relation of Kveim-antigen reaction to lymphadenopathy; study of sarcoidosis and other diseases.","volume":"284","author":"Israel","year":"1971","journal-title":"N Engl J Med"},{"key":"10.1378\/chest.63.4.488_bib6","unstructured":"Lever WF Histopathology of the Skin. 1967 .Philadelphia, Lippincott"},{"key":"10.1378\/chest.63.4.488_bib7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1097\/00005792-195202000-00001","article-title":"A study of sarcoidosis.","volume":"31","author":"Longcope","year":"1952","journal-title":"Medicine"},{"key":"10.1378\/chest.63.4.488_bib8","series-title":"Sarcoidosis.","first-page":"935","author":"Siltzbach","year":"1968"},{"key":"10.1378\/chest.63.4.488_bib9","series-title":"Surgical Pathology.","first-page":"764","author":"Ackerman","year":"1968"},{"key":"10.1378\/chest.63.4.488_bib10","doi-asserted-by":"crossref","first-page":"1617","DOI":"10.1136\/bmj.2.5213.1617","article-title":"Mycobacterium tuberculosis in the aetiology of sarcoidosis.","volume":"2","author":"Scadding","year":"1960","journal-title":"Br Med J"}],"container-title":["Chest"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369215478146?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369215478146?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T07:19:39Z","timestamp":1757920779000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0012369215478146"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1973,4]]},"references-count":10,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1973,4]]}},"alternative-id":["S0012369215478146"],"URL":"https:\/\/doi.org\/10.1378\/chest.63.4.488","relation":{},"ISSN":["0012-3692"],"issn-type":[{"value":"0012-3692","type":"print"}],"subject":[],"published":{"date-parts":[[1973,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Sarcoidosis and Specific Etiologic Agents: A Continuing Enigma","name":"articletitle","label":"Article Title"},{"value":"Chest","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1378\/chest.63.4.488","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 1973 The American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}