53 腰椎不穩定現象通常源自腰部的:①先天性畸形(congenital deformity) ②外傷(trauma) ③退化性 關節疾病(degenerative joint disease) ④腰弓過大(excessive lumbar lordosis)
(A)①②
(B)②③
(C)③④
(D)①④

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統計: A(21), B(93), C(66), D(20), E(0) #1248289