BO, GA. The effect of estradiol valerate on follicular dynamics and superovulatory response in cows with syncromate-B implants. Theriogenology. 1991, 39, 169-183
BO, GA. Exogenous control of follicular wave emergence in cattle. Theriogenology. 1995, 43, 31-40
DONALDSON, LE. Embryo production by repeated superovulation of commercial donor cow. Theriogenology. 1983, 20, 163-168