All the following drugs are used for thrombo prophylaxis except -

Ans. is 'd' i.e., Antithrombin Prophylaxis for venous thrombus o Heparin (unfractioned, LM W, or fondaparinox) and oral anticoagulants (warfarin). Prophylaxis for aerial thrombus o Aspirin o Clopidogrel o Ticlopidine