This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
All are antiplatelet drugs except: 
Select and explain. 
A. Clopidogrel, B. Abciximab, C. Ticlopidine, D. Aprotinin
D: Aprotinin
Answer: D: Aprotinin 
Explanation: Aprotinin is a drug that inhibits the initiation of clot formation and fibrinolysis. All others are antiplatlet drugs. From medical pharmacology padmaja 4th edition Page no 343