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60多岁的周老师最近关节疼痛,活动时有咔咔的响声。其实这是许多老年人的常见病,老年人关节病变与关节囊中分泌的一种特殊液体—滑液有关。
Zhou more than 60-year-old joint pain, activities Kaka sound. In fact, this is a common disease in many elderly people, joint disease in the elderly and the secretion of a special fluid - synovial fluid.