title: Letter: Subcutaneous heparin.
mesh_terms: D001778:Blood Coagulation Disorders / Q000139:chemically induced; D006470:Hemorrhage / Q000139:chemically induced*; D006493:Heparin / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D007279:Injections, Subcutaneous; D011183:Postoperative Complications / Q000517:prevention & control; D013923:Thromboembolism / Q000517:prevention & control
chemical_list: D006493:Heparin