共 22 条
[2]
ARVAY A., 1967, CIBA FOUND STUDY GROUP, V26, P20
[4]
EDWARDS RL, 1968, J ANIM SCI, V27, P1634
[5]
EUKER JS, 1973, J REPROD FERTIL, V34, P343
[10]
HOWARTH B, 1968, J ANIM SCI, V27, P117