共 14 条
- [1] CUTLIP RC, 1978, J AM VET MED ASSOC, V173, P1578
- [2] CUTLIP RC, 1977, AM J VET RES, V38, P2091
- [3] CUTLIP RC, 1977, AM J VET RES, V38, P1081
- [4] DEBOER GF, 1970, TIJDSCHR DIERGENEESK, V95, P725
- [5] FENNER F, 1977, INTERVIROLOGY, V3, P61
- [6] FIENBERG SE, 1977, ANAL CROSS CLASSIFIC
- [7] GATES NL, 1978, J AM VET MED ASSOC, V173, P1575
- [8] GUDNADOTTIR M, 1974, PROG MED VIROL, V18, P336
- [10] Marsh H., 1923, J AM VET MEDICAL ASS, V62, P458