【作者(必填)】 Cheng Y[size=0.8461em]1, Macera CA,
【文题(必填)】 Physical activity and self-reported, physician-diagnosed osteoarthritis: is physical activity a risk factor?【年份(必填)】
[size=0.8465em]J Clin Epidemiol.[size=0.8465em] [size=0.8465em]2000 Mar 1;53(3):315-22.
【全文链接或数据库名称(选填)】http://www.ncbi.nlm.nih.gov/pubmed/10760643