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2. Allen , W.R. Sanderson , M.W. 1987 The value of a rapid progesterone assay (AELIA) in equine stud veterinary medicine and management Proc. 9th Bain-Fallon Memorial Lectures: The Mare and Foal. Sydney 31 41
3. Die moderne Cervikoskopie und Hysteroskopie;Aubinais;Zentbl. Gynaek.,1864
4. Use of a low volume uterine flush for microbiologic and cytologic examination of the mare's endometrium;Ball;Theriogenology,1988
5. Improved uterine biopsy techniques for diagnosing infertility in the mare;Brandt;Vet. Med. Small Anim. Clin.,1969