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: Medicine
[{'content': "Which of the following condition is an indication for Chrysotherapy? \nSelect and explain. \nA. Rheumatoid ahritis, B. Ankylosing spondylitis, C. Behcet's syndrome, D. Osteoahritis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chrysotherapy refers to the treatment of rheumatoid ahritis with gold based drugs. Toxicities associated with its use are skin rash, bone marrow supression and proteinuria. Drugs included under the conventional DMARD group of medications are methotrexate, sulfsalazine, gold, antimalarials, leflunomide, azathioprine, penicillamine and minocycline.', 'role': 'assistant'}]