1. Normal postpartum involution of the uterus of the dog;Al-Bassam;Can. J. Comp. Med.,1981
2. “The Ovary and Reproductive Cycle of the Dog (Beagle),”;Anderson,1973
3. Estrus, ovulation, and related phenomena in the mare;Andrews;Res. Bull.-Mo., Agric. Exp. Stn.,1941
4. A sequential histological study of the postpartum bovine uterus;Archbald;J. Reprod. Fertil.,1972
5. Pregnancy in the cow with the corpus luteum in the contralateral ovary;Arthur;Vet. Rec.,1951