4.犬每μL血小板數至少低於多少時才會發生血小板減少症導致出血?
(A)100,000
(B)50,000
(C)25,000
(D)10,000
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統計: A(409), B(358), C(1865), D(761), E(0) #1944034
統計: A(409), B(358), C(1865), D(761), E(0) #1944034