20 骨骼代謝疾病中,下列何者最常見?
(A)退化性關節炎(degenerative arthritis)
(B)變形性骨炎(osteitis deformans)
(C)骨質疏鬆(osteoporosis)
(D)骨硬化症(osteosclerosis)

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統計: A(1), B(0), C(1), D(0), E(0) #1221237