共 16 条
[3]
BUSHNELL RB, 1980, J AM VET MED ASSOC, V176, P746
[5]
DODD FH, 1970, MASTITIS CONTROL NAT
[6]
DOHOO IR, 1981, CAN J COMP MED, V45, P8
[7]
EBERHART RJ, 1979, 18TH P NATL MAST COU, P32
[8]
Heider L. E., 1982, 21st Annual Meeting. National Mastitis Council, Inc., P82
[9]
Jones G. M., 1982, 21st Annual Meeting. National Mastitis Council, Inc., P31