71-year-old aunt Zhang, when taking a bath at home, slipped and fell on the soles of her feet, and her low back pain was not good for more than ten days, and she went to the hospital to take a picture to see that the lumbar vertebrae were fractured. Aunt Chen, 80 years old, fell while mopping the floor at home...
osteoporosis Li Zhaohua Bone mass Hip fracture
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