The study also shows that elderly people in the north of China suffer the most from these painful and chronic joint complaints including osteoarthritis and rheumatoid arthritis.

 
  • 该项研究还显示,中国北方的老年人患有最为严重的该类疼痛性及慢性关节疾病,其中包括骨关节炎和风湿性关节炎。
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