1. Clinical evaluation of the postpartum cow;Mortimer,1987
2. Reproductive Physiology;Wagner,1987
3. Female genital anatomy and embryology;Roberts,1986
4. Examination of the nonpregnant cows: changes in the ovaries and oviducts;Zemjanis,1970
5. The look and feel of normal bovine ovaries;Belling;Vet. Medicine,1986