1. Ejaculation: physiology and dysfunction;McDonnell;Vet Clin North Am Equine Pract,1992
2. Imipramine-induced erection, masturbation and ejaculation in male horses;McDonnell;Pharmacol Biochem Behav,1987
3. Imipramine and xylazine-induced ex copula ejaculation in stallions;McDonnell;Theriogenology,1994
4. Use of pharmacologically induced ejaculation to obtain semen from a stallion with a fractured radius;Turner;J Am Vet Med Assoc,1995
5. Xylazine-induced ex copula ejaculation in stallions;McDonnell;Theriogenology,1991