【作者(必填)】 Naessén T[size=0.8461em]1, Parker R,
【文题(必填)】 Time trends in incidence rates of first hip fracture in the Uppsala Health Care Region, Sweden, 1965-1983.【年份(必填)】
[size=0.8465em]Am J Epidemiol.[size=0.8465em] [size=0.8465em]1989 Aug;130(2):289-99.
【全文链接或数据库名称(选填)】http://www.ncbi.nlm.nih.gov/pubmed/2487033