1. Pregnancy rate of cows given synthetic gonadotrophin-releasing hormone at the time of service;Anderson;Aust. Vet. J.,1985
2. Reduction by human chorionic gonadotropin of the luteolytic effect of prostaglandin F2α in ewes;Bolt;Theriogenology,1979
3. Efficacy of GnRH for third service cows under California managemem conditions;Bon Durant,1988
4. Effect of human chorionic gonadotropin on pregnancy rate of heifers, when used under field condition;Brown;J. Am. Vet. Med. Assoc.,1973
5. Ovarian and pituitary hormones in blood of progestogen treated ewes;Echternkamp;J. Anim. Sci.,1976