{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T05:42:01Z","timestamp":1761543721511,"version":"build-2065373602"},"reference-count":0,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T00:00:00Z","timestamp":1646092800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T00:00:00Z","timestamp":1646092800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["cghjournal.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Clinical Gastroenterology and Hepatology"],"published-print":{"date-parts":[[2022,3]]},"DOI":"10.1016\/j.cgh.2021.03.009","type":"journal-article","created":{"date-parts":[[2021,3,14]],"date-time":"2021-03-14T00:17:52Z","timestamp":1615681072000},"page":"A17","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Three Signs of Pneumoperitoneum on a Supine Radiograph"],"prefix":"10.1016","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8310-9989","authenticated-orcid":false,"given":"Akira","family":"Hokama","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satomi","family":"Yara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiro","family":"Fujita","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","container-title":["Clinical Gastroenterology and Hepatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1542356521002731?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1542356521002731?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T05:37:08Z","timestamp":1761543428000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1542356521002731"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,3]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,3]]}},"alternative-id":["S1542356521002731"],"URL":"https:\/\/doi.org\/10.1016\/j.cgh.2021.03.009","relation":{},"ISSN":["1542-3565"],"issn-type":[{"type":"print","value":"1542-3565"}],"subject":[],"published":{"date-parts":[[2022,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Three Signs of Pneumoperitoneum on a Supine Radiograph","name":"articletitle","label":"Article Title"},{"value":"Clinical Gastroenterology and Hepatology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cgh.2021.03.009","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 by the AGA Institute","name":"copyright","label":"Copyright"}]}}