1. Veterinary Obstretics and Genital Diseases: Theriogenology;Roberts,1971
2. Cystic follicular disease in Michigan Holstein-Friesian cattle: incidence, descriptive epidemiology and economic impact;Barlett;Prev. Vet. Med.,1986
3. Frequency of ovarian follicular cysts, reasons for culling, and fertility in Holstein-Friesian cows given gonadotrophin-releasing hormone at two weeks after parturition;Britt;Am. J. Vet. Res.,1977
4. Survey of Cystic Ovaries in Dairy Cows;Ax,1984
5. Factors affecting the incidence of cystic ovaries in a herd of Holstein cows;Casida;J. Dairy Sci.,1951