title: Letter: Low-dose heparin and stress ulceration.
mesh_terms: D006493:Heparin / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology / Q000517:prevention & control*; D013514:Surgical Procedures, Operative / Q000009:adverse effects; D013923:Thromboembolism / Q000517:prevention & control; D013924:Thrombophlebitis / Q000517:prevention & control; D013927:Thrombosis / Q000150:complications
chemical_list: D006493:Heparin