[Colonoscopies].
D003108:Colonic Diseases / Q000175:diagnosis* / Q000517:prevention & control / Q000628:therapy*; D003113:Colonoscopy / Q000009:adverse effects / Q000379:methods*; D000075202:Contraindications; D006801:Humans; D012812:Sigmoidoscopy / Q000009:adverse effects / Q000379:methods