This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc. (R.B.C), Subject name: Pathology
[{'content': 'The following drug is not associated with pure red cell aplasia: \nSelect and explain. \nA. Phenytoin, B. Isoniazid, C. Erythropoietin, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) None of the above(Ref: Robbins 9th/pg 653-655)Drugs: associated with PRCA are Phenytoin, azathio- prine, chloramphenicol, procainamide, isoniazid Q', 'role': 'assistant'}]