title: Antacid by stomach tube in prevention of gastrointestinal bleeding.
mesh_terms: D000863:Antacids / Q000008:administration & dosage*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D007049:Iatrogenic Disease; D007441:Intubation, Gastrointestinal / Q000009:adverse effects
chemical_list: D000863:Antacids