title: [Rectoscopy or rectosigmoidoscopy with a flexible fiber optic endoscope?].
mesh_terms: D003110:Colonic Neoplasms / Q000517:prevention & control*; D005260:Female; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000295:instrumentation*; D008875:Middle Aged; D055100:Optical Fibers; D020700:Proctoscopes; D020694:Sigmoidoscopes
vernacular_title: Rektoskopia czy wziernikowanie odbytnicy i esicy gietkim instrumentem fibrooptycznym?