Lasers and gastroenterology.
D000818:Animals; D001808:Blood Vessels / Q000002:abnormalities; D004064:Digestive System / Q000098:blood supply; D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000601:surgery; D005135:Eye Protective Devices; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D005770:Gastrointestinal Neoplasms / Q000601:surgery; D006801:Humans; D053685:Laser Therapy; D007834:Lasers / Q000009:adverse effects / Q000295:instrumentation