64.犬發生會陰赫尼亞時,最常見於下列何種肌肉的萎縮?
(A)外肛門括約肌
(B)提肛肌
(C)半腱肌
(D)內閉鎖肌
答案:登入後查看
統計: A(12), B(54), C(14), D(37), E(0) #3490932
統計: A(12), B(54), C(14), D(37), E(0) #3490932