1. A Glaxo Guide to Ovarid,1976
2. Alterations in reproductive function following prenatal and early postnatal exposure to hormones;Barraclough,1968
3. Megestrol acetate for estrus postponement in the bitch;Burke;J. Am. Vet. Med. Assoc.,1975
4. A 180-day-tolerance-efficacy study with mibolerone for estrus suppression in the domestic cat;Burke;Am. J. Vet. Res.,1977
5. The use of progestogens to control reproductive function in the bitch;Christie;Anim. Breed. Abst.,1970