Growing world of gastrointestinal endoscopy.
D000818:Animals; D004285:Dogs; D019723:Endoscopes; D004724:Endoscopy / Q000639:trends; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D007564:Japan; D014481:United States