共 15 条
[1]
ALLAIS C, 1978, J REPROD FERTIL, V54, P133, DOI 10.1530/jrf.0.0540133
[2]
Andresen O., 1979, Norsk Veterinaertidsskrift, V91, P411
[4]
CONCANNON P, 1980, J REPROD FERTIL, V58, P1, DOI 10.1530/jrf.0.0580001
[5]
Duby R. T., 1969, American Fur Breeder, V42
[6]
ENDERS ROBERT K., 1952, PROC AMER PHIL SOC, V96, P691
[7]
Hansson A., 1947, Acta Zoologica Stockholm, V28, P1, DOI 10.1111/j.1463-6395.1947.tb00023.x
[8]
LANMAN MD, 1970, AM J OBSTET GYNEC, V106, P463