Proctosigmoidoscopy: a simplified approach for the family physician.
D003093:Colitis, Ulcerative / Q000175:diagnosis; D006801:Humans; D008722:Methods; D012002:Rectal Diseases / Q000175:diagnosis; D012811:Sigmoid Neoplasms / Q000175:diagnosis; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy