13.下列何者感染犬隻較易發生週期性血小板減少症?
(A)Ehrlichia canis
(B)Anaplasma phagocytophilum
(C)Anaplasma platys
(D)Ehrlichia risticii
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統計: A(705), B(234), C(1999), D(99), E(0) #2038120
統計: A(705), B(234), C(1999), D(99), E(0) #2038120