{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,3,31]],"date-time":"2022-03-31T22:00:39Z","timestamp":1648764039473},"reference-count":4,"publisher":"Deutscher Arzte-Verlag GmbH","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"DOI":"10.3238\/arztebl.2009.0290a","type":"journal-article","created":{"date-parts":[[2018,5,2]],"date-time":"2018-05-02T09:12:39Z","timestamp":1525252359000},"source":"Crossref","is-referenced-by-count":0,"title":["Causes and Early Diagnosis of Vitamin B12 Deficiency: Gastrin Levels in Pernicious Anemia"],"prefix":"10.3238","author":[{"given":"Christian A.","family":"Koch","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"11437","published-online":{"date-parts":[[2009,4,24]]},"reference":[{"key":"10.3238\/arztebl.2009.0290a_ref1","unstructured":"Koch CA: Gesundheitliche Bedeutung der Fols\u00e4urezufuhr: Vitamin-B12-Mangel trotz normalem Serumspiegel. Dtsch Arztebl 2005; 102: A-215\/B-178\/C-171."},{"key":"10.3238\/arztebl.2009.0290a_ref2","doi-asserted-by":"crossref","unstructured":"Lewin KJ, Dowling F, Wright JP, Taylor KB: Gastric morphology and serum gastrin levels in pernicious anaemia. Gut 1976; 17: 551\u201360.","DOI":"10.1136\/gut.17.7.551"},{"key":"10.3238\/arztebl.2009.0290a_ref3","doi-asserted-by":"crossref","unstructured":"Benchimol EI, Kirsch R, Viero S, Griffiths AM: Collagenous colitis and eosinophilic gastritis in a 4-year old girl: a case report and review of the literature. Acta Paediatr 2007; 96: 1365\u20137.","DOI":"10.1111\/j.1651-2227.2007.00424.x"},{"key":"10.3238\/arztebl.2009.0290a_ref4","doi-asserted-by":"crossref","unstructured":"Herrmann W, Obeid R: Causes and early diagnosis of Vitamin B12 deficiency [Ursachen und fr\u00fchzeitige Diagnostik von Vitamin B12-Mangel]. Dtsch Arztebl Int 2008; 105(40): 680\u20135.","DOI":"10.3238\/arztebl.2008.0680"}],"container-title":["Deutsches \u00c4rzteblatt international"],"original-title":[],"link":[{"URL":"https:\/\/www.aerzteblatt.de\/10.3238\/arztebl.2009.0290a","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,12,7]],"date-time":"2021-12-07T09:33:19Z","timestamp":1638869599000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.aerzteblatt.de\/10.3238\/arztebl.2009.0290a"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,4,24]]},"references-count":4,"URL":"https:\/\/doi.org\/10.3238\/arztebl.2009.0290a","relation":{},"ISSN":["1866-0452"],"issn-type":[{"value":"1866-0452","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,4,24]]}}}