Flexible fiberoptic sigmoidoscopy.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003108:Colonic Diseases / Q000175:diagnosis*; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D005336:Fiber Optic Technology; D006801:Humans; D008875:Middle Aged; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy / Q000379:methods