title: Discrete colonic ulcers associated with oral contraceptives.
mesh_terms: D000328:Adult; D003092:Colitis / Q000139:chemically induced / Q000150:complications; D003106:Colon / Q000098:blood supply; D003108:Colonic Diseases / Q000139:chemically induced* / Q000209:etiology; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D006801:Humans; D007511:Ischemia; D009644:Norgestrel / Q000009:adverse effects; D014456:Ulcer / Q000139:chemically induced* / Q000209:etiology
chemical_list: D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic; D009644:Norgestrel; D004997:Ethinyl Estradiol