1. Bovine uterine torsion: 164 hospital referral cases;Frazer;Theriogenology,1996
2. Veterinary obstetrics and genital diseases (theriogenology);Roberts,1986
3. Uterine prolapse and hypocalcemia in dairy cows;Risco;J Am Vet Med Assoc,1984
4. Handbook of bovine obstetrics,1980
5. Hidropesía de las membranas fetales de los bovinos;Flores,1977