共 4 条
[2]
HAWKINS EC, 2000, KIRKS CURRENT VET TH, V12, P915
[3]
Williams J, 1998, COMP CONT EDUC PRACT, V20, P1199
[4]
Wilson G P 3rd, 1986, Semin Vet Med Surg Small Anim, V1, P318