1. Structure and function of the equine capsule in relation to embryo manipulation and transfer;Betteridge;Equine vet. J.,1989
2. Development of horse embryos up to 22 days after ovulation: observations on fresh specimens;Betteridge;J. Anat.,1982
3. Uterine prostaglandin release relative to embryo collection, transfer procedures and maintenance of the corpus luteum;Betteridge;Equine vet J.,1985
4. A three-year study of growth factors in Quarter horses from birth to 50 weeks of age;German;J. Anim. Sci.,1984