共 23 条
- [1] AYALON N, 1981, ZUCHTHYGIENE, V16, P97
- [2] BETTERIDGE KJ, 1980, J REPROD FERTIL, V59, P205, DOI 10.1530/jrf.0.0590205
- [3] CHRISTIE WB, 1979, J REPROD FERTIL, V56, P701, DOI 10.1530/jrf.0.0560701
- [6] GUSTAFSSON H, 1983, ACTA VET SCAND, V24, P59
- [10] LINARES T, 1981, ZBL VET MED C, V10, P212