Laser therapy in gastrointestinal diseases.
D000208:Acute Disease; D003110:Colonic Neoplasms / Q000601:surgery; D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000601:surgery; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D006801:Humans; D053685:Laser Therapy; D009369:Neoplasms / Q000601:surgery; D012004:Rectal Neoplasms / Q000601:surgery; D013274:Stomach Neoplasms / Q000601:surgery