共 13 条
[2]
BROOKER BE, 1983, CELL TISSUE RES, V229, P639, DOI 10.1007/BF00207703
[4]
HARMON RJ, 1982, AM J VET RES, V43, P992
[6]
MURPHY JM, 1953, CORNELL VET, V43, P465
[7]
NEWBOULD FHS, 1965, J DAIRY RES, V32, P156
[10]
NICKERSON SC, 1981, AM J VET RES, V42, P1351