Media type: E-Book Title: Seasonal variability of vitamin D status in patients with inflammatory bowel disease - a retrospective cohort study Contributor: Janssen, Christine Elisabeth [VerfasserIn]; Globig, Anna-Maria [VerfasserIn]; Busse Grawitz, Andrea [VerfasserIn]; Bettinger, Dominik [VerfasserIn]; Hasselblatt, Peter [VerfasserIn] imprint: San Francisco, CA: Public Library of Science (PLoS), 2019 Published in: PLOS ONE ; 14, 5 (2019), e0217238 Extent: 1 Online-Ressource (12 Seiten); Diagramme; Supporting information (4 Dateien) Language: English DOI: 10.1371/journal.pone.0217238 ISSN: 1932-6203 Identifier: Origination: Footnote: Access State: Open Access