title: Laser photocoagulation in alimentary bleeding.
mesh_terms: D001128:Argon; D006471:Gastrointestinal Hemorrhage / Q000601:surgery*; D006801:Humans; D053685:Laser Therapy; D008028:Light Coagulation / Q000379:methods; D009354:Neodymium; D013523:Surgical Equipment
chemical_list: D009354:Neodymium; D001128:Argon