title: [Fiber optic rectosigmoidoscopy: comparative study with the rigid instrument].
mesh_terms: D003108:Colonic Diseases / Q000175:diagnosis*; D004241:Diverticulum, Colon / Q000175:diagnosis; D005069:Evaluation Studies as Topic; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D055100:Optical Fibers; D011127:Polyps / Q000175:diagnosis; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis; D012811:Sigmoid Neoplasms / Q000175:diagnosis; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy / Q000379:methods*
vernacular_title: La fibrorettosigmoidoscopia: studio comparativo con lo strumento rigido.