[Study on the etiology of fractures of the femoral neck in the elderly and measures to prevent them].
Syn
U J
UJ
Wang
Y P
YP
D000368:Aged; D005265:Femoral Neck Fractures / Q000209:etiology* / Q000517:prevention & control*; D006801:Humans; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications*