共 63 条
- [1] ADDIS DG, 1972, PREVENTIVE MED STUDY, V1
- [3] BABIUK LA, 1984, BOVINE RESPIRATORY D
- [4] BENNETT RH, 1977, AM J VET RES, V38, P1731
- [5] Blood DC, 1983, VET MED
- [6] BREEZE RG, 1981, CURRENT VET THERAPY
- [7] BREEZE RG, 1978, BOVINE PRACT, V13, P75
- [8] BROWN LN, 1979, P CONVENTION AM ASS
- [9] BROWN LN, 1970, P M US ANIMAL HLTH A
- [10] CARLSON JH, 1980, BOVINE PRACT, V15, P81