PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Clinical Trials Gastroenterology and Hepatology Internal Medicine Jagrati Mathur PeerJ Author Summary Gastroenterology & Hepatology Past or current institution affiliations UC San Francisco PeerJ Contributions Articles 1 August 3, 2017 A randomized clinical trial of vitamin D3 (cholecalciferol) in ulcerative colitis patients with hypovitaminosis D3 Jagrati Mathur, Soe Naing, Paul Mills, David Limsui https://doi.org/10.7717/peerj.3654 PubMed 28791200