共 20 条
- [1] BARR AJ, 1979, SAS USERS GUIDE
- [3] BLECHA F, 1982, P SOC EXP BIOL MED, V169, P247
- [4] BLIZNAKOV EG, 1980, J MED, V11, P81
- [5] GOODWIN JS, 1981, J IMMUNOL, V127, P518
- [6] GWAZDAUSKAS FC, 1978, CAN VET J, V19, P150
- [7] HAGGARD DL, 1980, AM J VET RES, V41, P539
- [9] JENSEN PT, 1981, VET IMMUNOL IMMUNOP, V2, P121, DOI 10.1016/0165-2427(81)90044-1
- [10] KELLEY KW, 1982, AM J VET RES, V43, P775