title: Melanosis coli: a disappearing act.
authors.affiliation: Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan; Gastrointestinal Diseases Research Unit, Queen University Kingston General Hospital, Kingston, Ontario, Canada.
authors.forename: Robert
authors.initials: R
authors.lastname: Bechara
authors.affiliation: University of Toronto, Division of Gastroenterology, Department of Medicine, The Center of Advanced Therapeutic Endoscopy and Endoscopic Oncology, St. Michael's Hospital, Toronto, Ontario, Canada.
authors.forename: Norman
authors.initials: N
authors.lastname: Marcon
authors.affiliation: University of Toronto, Department of Laboratory Medicine and Pathobiology, Division of Pathology, St. Michael's Hospital, Toronto, Ontario, Canada.
authors.forename: Catherine J
authors.initials: CJ
authors.lastname: Streutker
mesh_terms: D000236:Adenoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D002400:Cathartics / Q000009:adverse effects*; D003108:Colonic Diseases / Q000139:chemically induced* / Q000473:pathology; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D003113:Colonoscopy; D055088:Early Detection of Cancer; D006801:Humans; D008297:Male; D008548:Melanosis / Q000139:chemically induced* / Q000473:pathology; D008875:Middle Aged; D031955:Rhamnus / Q000009:adverse effects*; D012676:Senna Extract / Q000009:adverse effects*
chemical_list: D002400:Cathartics; D012676:Senna Extract