{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T06:08:13Z","timestamp":1781244493922,"version":"3.54.1"},"reference-count":20,"publisher":"Korean Association of Internal Medicine","issue":"3","license":[{"start":{"date-parts":[[2020,11,25]],"date-time":"2020-11-25T00:00:00Z","timestamp":1606262400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100003625","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","award":["HI10C2020"],"award-info":[{"award-number":["HI10C2020"]}],"id":[{"id":"10.13039\/501100003625","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003625","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","award":["A102065"],"award-info":[{"award-number":["A102065"]}],"id":[{"id":"10.13039\/501100003625","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["kjim.org"],"crossmark-restriction":true},"short-container-title":["Korean J Intern Med"],"published-print":{"date-parts":[[2021,5,1]]},"DOI":"10.3904\/kjim.2019.425","type":"journal-article","created":{"date-parts":[[2020,11,24]],"date-time":"2020-11-24T08:00:52Z","timestamp":1606204852000},"page":"636-646","update-policy":"https:\/\/doi.org\/10.3904\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Clinical impact of long-term change in air trapping on pulmonary function and computed tomography parameters in chronic obstructive pulmonary disease"],"prefix":"10.3904","volume":"36","author":[{"given":"Jeong Uk","family":"Lim","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Seung","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji-Hyun","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sang-Do","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yeon-Mok","family":"Oh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chin Kook","family":"Rhee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"for the Korean Obstructive Lung Disease (KOLD) Study Group","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2270","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rmed.2015.03.010"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1111\/resp.12504"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201204-0596PP"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1080\/15412550600977478"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.00120609"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1080\/15412555.2018.1458217"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1378\/chest.121.5.1434"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.3109\/15412555.2013.836174"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.3346\/jkms.2015.30.10.1459"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.170.5.9574614"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.216.3.r00se21768"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-016-4657-z"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-014-3418-0"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.155.4.9105069"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0139102"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1993.75.5.2239"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1097\/00004728-198406000-00004"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2462070712"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.214.3.r00mr05831"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.218.3.r01mr08695"}],"container-title":["The Korean Journal of Internal Medicine"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/kjim.org\/upload\/kjim-2019-425.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/kjim.org\/journal\/view.php?doi=10.3904\/kjim.2019.425","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/kjim.org\/upload\/kjim-2019-425.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,5,13]],"date-time":"2021-05-13T06:47:25Z","timestamp":1620888445000},"score":1,"resource":{"primary":{"URL":"http:\/\/kjim.org\/journal\/view.php?doi=10.3904\/kjim.2019.425"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,5,1]]},"references-count":20,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2021,5]]}},"URL":"https:\/\/doi.org\/10.3904\/kjim.2019.425","relation":{},"ISSN":["1226-3303","2005-6648"],"issn-type":[{"value":"1226-3303","type":"print"},{"value":"2005-6648","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,5,1]]},"assertion":[{"value":"2019-12-12","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-03-27","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-11-25","order":2,"name":"published","label":"Published online","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-05-01","order":3,"name":"published","label":"Print publication","group":{"name":"publication_history","label":"Publication History"}}]}}