@article{a2a35216b5f04d428af6e25368867317,
title = "P722 Prediagnostic serum vitamin D levels and risk of inflammatory bowel disease: a pan-European, nested case-control study",
keywords = "vitamin d deficiency, crohn's disease, inflammatory bowel disease, ulcerative colitis, diet, chromatography, follow-up, food, mass spectrometry, gender, vitamin d, interval data, causality, 25-hydroxyvitamin d, nutrition in cancer",
author = "J Opstelten and S Chan and A Hart and \{van Schaik\}, F and P Siersema and E Lentjes and K-T Khaw and R Luben and T Key and H Boeing and M Bergmann and K Overvad and D Palli and G Masala and A Racine and F Carbonnel and M-C Boutron-Ruault and A Tj{\o}nneland and A Olsen and V Andersen and R Kaaks and T K{\"u}hn and R Tumino and A Trichopoulou and M Verschuren and B Witteman and B Oldenburg",
year = "2017",
month = feb,
day = "1",
doi = "10.1093/ecco-jcc/jjx002.846",
language = "English",
volume = "11",
pages = "S449--S450",
journal = "Journal of Crohn's \& Colitis",
issn = "1873-9946",
publisher = "Oxford University Press",
number = "suppl\_1",
}