共 19 条
[1]
BARTA O, 1970, J IMMUNOL, V105, P350
[4]
BRANDENBURG AC, 1972, IMMUNOLOGY, V24, P119
[5]
BROWN H, 1961, J ANIM SCI, V20, P323
[7]
DUNNE HW, 1970, DISEASES SWINE
[8]
INGRAM D. G., 1965, CAN VETERINARY J, V6, P194
[9]
KOHLER EM, 1966, CAN J COMP MED VET S, V30, P199