單項(xiàng)選擇題診斷泌尿系統(tǒng)感染的尿液革蘭氏陰性菌的菌落計(jì)數(shù)應(yīng)大于()

A.10cfu/ml
B.102cfu/ml
C.103cfu/ml
D.104cfu/ml
E.105cfu/ml


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