Vitamin D associates with improved quality of life in participants with irritable bowel syndrome: outcomes from a pilot trial
Simon Tazzyman, Nicholas Richards, Andrew R Trueman, Amy L Evans, Vicky A Grant, Iveta Garaiova, Sue F Plummer, Elizabeth A Williams, Bernard M Corfe
BMJ Open Gastroenterology Dec 2015, 2 (1) e000052; DOI: 10.1136/bmjgast-2015-000052