PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Clinical Trials Epidemiology Gastroenterology and Hepatology Immunology Internal Medicine Peng Du PeerJ Author Summary Gastroenterology & Hepatology Oncology PeerJ Contributions Articles 1 June 21, 2019 Clinical outcomes and risk factors of secondary extraintestinal manifestation in ulcerative colitis: results of a multicenter and long-term follow-up retrospective study Weimin Xu, Weijun Ou, Yuegui Guo, Yubei Gu, Long Cui, Jie Zhong, Peng Du https://doi.org/10.7717/peerj.7194 PubMed 31304061
