共 9 条
[1]
AANES WA, 1961, AM J VET RES, V22, P47
[2]
BASSON P A, 1975, Onderstepoort Journal of Veterinary Research, V42, P135
[3]
DOLLAHIT.JW, 1964, J AM VET MED ASSOC, V145, P694
[6]
PIENAAR J G, 1973, Onderstepoort Journal of Veterinary Research, V40, P127