{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T16:44:15Z","timestamp":1782837855456,"version":"3.54.5"},"reference-count":7,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[2009,3,1]],"date-time":"2009-03-01T00:00:00Z","timestamp":1235865600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2009,3,1]],"date-time":"2009-03-01T00:00:00Z","timestamp":1235865600000},"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","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Otolaryngology"],"published-print":{"date-parts":[[2009,3]]},"DOI":"10.1016\/j.amjoto.2008.02.009","type":"journal-article","created":{"date-parts":[[2008,7,23]],"date-time":"2008-07-23T04:22:45Z","timestamp":1216786965000},"page":"80-82","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":15,"title":["Various causes for frontal sinus obstruction"],"prefix":"10.1016","volume":"30","author":[{"given":"Joseph K.","family":"Han","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tamer","family":"Ghanem","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bonmyong","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charlie W.","family":"Gross","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.amjoto.2008.02.009_bib1","doi-asserted-by":"crossref","first-page":"658","DOI":"10.1177\/000348949810700805","article-title":"Conservative approach to inflammatory nasofrontal duct disease","volume":"107","author":"Jacobs","year":"1998","journal-title":"Ann Otol Rhinol Laryngol"},{"key":"10.1016\/j.amjoto.2008.02.009_bib2","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1097\/00005537-200101000-00024","article-title":"Modern concepts of frontal sinus surgery","volume":"111","author":"Weber","year":"2001","journal-title":"Laryngoscope"},{"key":"10.1016\/j.amjoto.2008.02.009_bib3","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1001\/archotol.126.1.101","article-title":"Surgical treatments for symptomatic chronic frontal sinusitis","volume":"126","author":"Gross","year":"2000","journal-title":"Arch Otolaryngol Head Neck Surg"},{"key":"10.1016\/j.amjoto.2008.02.009_bib4","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1288\/00005537-199002000-00010","article-title":"Endoscopic management of frontal sinus disease","volume":"100","author":"Schaefer","year":"1990","journal-title":"Laryngoscope"},{"key":"10.1016\/j.amjoto.2008.02.009_bib5","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1288\/00005537-199504000-00020","article-title":"Endoscopic intranasal frontal sinusotomy","volume":"105","author":"Har-El","year":"1995","journal-title":"Laryngoscope"},{"key":"10.1016\/j.amjoto.2008.02.009_bib6","doi-asserted-by":"crossref","first-page":"85","DOI":"10.2500\/105065891781875063","article-title":"Endoscopic surgery for frontal sinusitis and its complications","volume":"5","author":"Wigand","year":"1991","journal-title":"Am J Rhinol"},{"key":"10.1016\/j.amjoto.2008.02.009_bib7","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1097\/00005537-199901000-00006","article-title":"Surgical causes of failures in endoscopic sinus surgery","volume":"109","author":"Ramadan","year":"1999","journal-title":"Laryngoscope"}],"container-title":["American Journal of Otolaryngology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0196070908000380?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0196070908000380?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T04:55:10Z","timestamp":1759294510000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0196070908000380"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,3]]},"references-count":7,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2009,3]]}},"alternative-id":["S0196070908000380"],"URL":"https:\/\/doi.org\/10.1016\/j.amjoto.2008.02.009","relation":{},"ISSN":["0196-0709"],"issn-type":[{"value":"0196-0709","type":"print"}],"subject":[],"published":{"date-parts":[[2009,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Various causes for frontal sinus obstruction","name":"articletitle","label":"Article Title"},{"value":"American Journal of Otolaryngology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.amjoto.2008.02.009","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2009 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}