共 14 条
[2]
BRADLEY CA, 1969, 181 U KENT AGR EXP S
[3]
DUNKELGOD KE, 1968, THESIS U MINNESOTA
[5]
GASSNER FX, 1952, P SOC EXP BIOL MED, V81, P37, DOI 10.3181/00379727-81-19771
[6]
GRAHAM EF, 1964, INT C ANIMAL REPRO 3, P381
[8]
HOPWOOD ML, 1962, FERTIL STERIL, V13, P290
[10]
LAKE PE, 1968, J REPROD FERTIL, V15, P139, DOI 10.1530/jrf.0.0150139