34 肺膿瘍較常在肺的那些部位？① posterior segment of upper lobe ② superior segment of lower lobe ③ middle lobe ④ lingular lobe
(A) ①③
(B)②③④
(C)①②
(D)①②④

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統計： A(1), B(3), C(4), D(0), E(0) #1119401