共 23 条
[2]
ANDERSSON G, 1971, NORD VET MED, V23, P9
[3]
BAKER J R, 1970, British Veterinary Journal, V126, P100
[5]
BISHOP R, 1972, J AM VET MED ASSOC, V160, P1000
[6]
BLOOD DC, 1968, VETERINARY MEDICINE
[7]
BRYANS JT, 1963, AAEP P, P25
[8]
CARROLL EJ, 1965, J AM VET MED ASSOC, V146, P1300
[10]
DELAHUNTA A, 1969, CORNELL VET, V59, P648