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What is Which drug among the following does not inhibit platelet aggregation? and explain in detail?
The selective COX-2 inhibitor (celecoxib) act primarily by inhibiting the cyclooxygenase enzymes that catalyze the first step in prostanoid biosynthesis. This leads to decreased prostaglandin  synthesis with both ​beneficial  and  unwanted  effects. ​
Reference: Lippincott Illustrated Reviews: Pharmacology Wolters Kluwer Sixth Edition page no 451; ​