1. Prostaglandin induction of abortion in pregnant bitches after misalliance;Feldman;J Am Vet Med Assoc,1993
2. Use of cloprostenol for pregnancy termination in dogs;Fieni;J Reprod Fertil,1989
3. Longevity of spermatozoa in the reproductive tract of the bitch;Doak;J Reprod Fertil,1967
4. Detection of intravaginal spermatozoa after natural mating in the bitch;Whitacre;Vet Clin Pathol,1992
5. Biology of ovarian cycles, pregnancy and pseudopregnancy in the domestic cat;Tsutsui;J Reprod Fertil Suppl,1993