title: Dextran or heparin?
mesh_terms: D002986:Clinical Trials as Topic; D003911:Dextrans / Q000008:administration & dosage / Q000627:therapeutic use*; D004341:Drug Evaluation; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D007263:Infusions, Parenteral; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D003911:Dextrans; D006493:Heparin