33.下列何者的年齡超過十歲,有100%瓣膜性心內膜病(valvular endocardiosis)之盛行率?
(A)薩莫耶(Samoyed)
(B)騎士國王查爾斯小獵犬(cavalier King Charles spaniel)
(C)大丹犬(Great Dane)
(D)德國狼犬(German shepherd)
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統計: A(14), B(638), C(39), D(29), E(0) #895061
統計: A(14), B(638), C(39), D(29), E(0) #895061