Aspirin and warfarin are comparable for prophylaxis.
Freiberg
A A
AA
D001241:Aspirin / Q000627:therapeutic use; D006801:Humans; D007595:Joint Prosthesis; D013923:Thromboembolism / Q000517:prevention & control*; D014859:Warfarin / Q000627:therapeutic use*
D014859:Warfarin; D001241:Aspirin