title: Melatonin usage in ulcerative colitis: a case report.
authors.forename: M D
authors.initials: MD
authors.lastname: Maldonado
authors.forename: J R
authors.initials: JR
authors.lastname: Calvo
mesh_terms: D003093:Colitis, Ulcerative / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008550:Melatonin / Q000009:adverse effects*; D008875:Middle Aged
chemical_list: D008550:Melatonin