44.青少年骨源性肉瘤(osteogenic sarcoma)好發於下列何處?
(A)顱骨(skull)
(B)肋骨(ribs)
(C)脊椎骨(vertebra)
(D)股骨(femur)與脛骨(tibia)
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統計: A(18), B(128), C(138), D(1124), E(0) #1050603
統計: A(18), B(128), C(138), D(1124), E(0) #1050603