A.骨質(zhì)疏松 B.骨折畸形愈合 C.病人年齡大 D.股骨頭血供受損 E.長期臥床
A.8°~11° B.12°~15° C.16°~19° D.20°~23° E.30°~45°
A.15° B.20° C.55° D.90° E.127°