共 26 条
[2]
BARR AJ, 1979, SAS USERS GUIDE
[3]
BARTOL FF, 1977, 69TH AM SOC AN SCI A, P134
[4]
Bazer F. W., 1978, Methods in mammalian reproduction., P503
[5]
CORNETTE JC, 1972, J REPROD MED, V9, P355
[6]
COX RI, 1974, J REPROD FERTIL, V36, P448
[7]
ELEY DS, J DAIRY SCI