Bioinformatics analysis of oxidative stress genes in the pathogenesis of ulcerative colitis based on a competing endogenous RNA regulatory network 1Department of Traditional Chinese Medicine, Affiliated Hospital of Jining Medical University, Jining, Shandong, China 2College of Integrated Chinese and Western Medicine, Jining Medical University, Jining, Shandong, China 3School of Public Health, Jining Medical University, Jining, Shandong, China DOI 10.7717/peerj.17213 Academic Editor Vladimir...