This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following anti-Parkinson drugs has the potential to cause retroperitoneal fibrosis ? \nSelect and explain. \nA. Pramipexole, B. Entacapone, C. Bromocriptine, D. Ropinirole', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Bromocriptine Retroperitoneal fibrosis can be caused by ergot antiparkinsonism drugs (bromocriptine and pergolide).", 'role': 'assistant'}]