title: Endoscopy today. 1. Rigid endoscopes.
mesh_terms: D001706:Biopsy; D020680:Bronchoscopes; D002648:Child; D019723:Endoscopes; D005260:Female; D006801:Humans; D020706:Laparoscopes; D020704:Laryngoscopes; D055095:Optics and Photonics; D010781:Photography; D020694:Sigmoidoscopes