Letter: Low-dose heparin and prevention of venous thromboembolic disease.
D003911:Dextrans / Q000627:therapeutic use; D006470:Hemorrhage / Q000209:etiology; D006493:Heparin / Q000627:therapeutic use*; D006801:Humans; D013924:Thrombophlebitis / Q000517:prevention & control*
D003911:Dextrans; D006493:Heparin