title: [Principle of the classification of fractures of femoral neck in the elderly].
authors.forename: Liang
authors.initials: L
authors.lastname: He
mesh_terms: D000368:Aged; D005265:Femoral Neck Fractures / Q000145:classification / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography / Q000592:standards*; D012015:Reference Standards