D. Sumrall

Comparison of pregnancy rates of repeat-breeder dairy cows given gonadotropin releasing hormone at or prior to the time of insemination.

C. Risco, P. Chavatte, T. Tran, 1993, Theriogenology.

Effectiveness of prostaglandin F2alpha in the initial treatment of bovine ovarian cysts.

C. Risco, P. Chavatte, T. Tran, 1993, Theriogenology.