This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'Distal renal tubular acidosis is associated with- \nSelect and explain. \nA. oxalate stones, B. Citrate, C. Calcium stones, D. Uric acid stones', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In distal A - Most patients have hypocitrauria Hypercalciuria,so nephrolithiasis ,nephrocalcinosis and bone disease are common. Ref:Harrison 20 th edition pg no 320.', 'role': 'assistant'}]