title: Letter: Heparin source and effect.
mesh_terms: D001778:Blood Coagulation Disorders / Q000188:drug therapy; D004211:Disseminated Intravascular Coagulation / Q000139:chemically induced*; D004339:Drug Compounding; D006493:Heparin / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans
chemical_list: D006493:Heparin