共 28 条
[1]
BACKSTROM G, 1980, 9TH INT C AN REPR AI, V4, P647
[6]
DOBSON H, 1978, J REPROD FERTIL, V52, P51, DOI 10.1530/jrf.0.0520051
[7]
FOSTER JP, 1980, J REPROD FERTIL, V59, P321, DOI 10.1530/jrf.0.0590321
[8]
Helwig J.T., 1979, SAS USERS GUIDE
[9]
HOFFMANN B, 1974, J REPROD FERTIL, V40, P77, DOI 10.1530/jrf.0.0400077