1. Effects of oral contraceptive steroids on pituitary prolactin secretion;Abu-Fadil;Contraception,1976
2. Parameters of mammary gland tumors in aging beagles;Anderson;J. Am. Vet. Med. Ass.,1965
3. Clinico-pathological aspects of mammary tumors in the dog and cat;Anderson;J. Small Anim. Pract.,1966
4. The role of oestrogens and progesterone in the onset of parturition in various species;Bedford;J. Reprod. Fert.,1972
5. Pharmacological model in contraceptive development. WHO Research and Training Centre on Human Reproduction;Briggs,1974