This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'which does not include microsomal enzymes \nSelect and explain. \nA. cimetidine, B. griseofulvin, C. rifampicin, D. phenobarbitone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref-KDT 6/e p27-28 cimetidine does not contain microsomal enzymes', 'role': 'assistant'}]