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: Surgery
[{'content': "Fracture femur in children is treated by: \nSelect and explain. \nA. Open reduction, B. Gallow's splint, C. Infra medullary nailing, D. Closed reduction & splintage", 'role': 'user'}, {'content': "Answer: B \nExplanation: B i.e. Gallow's splint", 'role': 'assistant'}]