Lasers and fibreoptic endoscopy.
D001165:Arteriovenous Malformations / Q000601:surgery; D019723:Endoscopes; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D005770:Gastrointestinal Neoplasms / Q000601:surgery; D006801:Humans; D053685:Laser Therapy; D007834:Lasers; D012008:Recurrence