Aspirin against clotting.
D001241:Aspirin / Q000627:therapeutic use*; D001792:Blood Platelets / Q000187:drug effects; D006801:Humans; D011300:Preoperative Care; D013924:Thrombophlebitis / Q000517:prevention & control; D013927:Thrombosis / Q000517:prevention & control*
D001241:Aspirin