1. Fundamentals of Medical Ultrasonography;Baum,1975
2. Ultrasonic echography in the mare;Chevalier;J. Reprod. Fert. Suppl.,1982
3. Intrauterine movement of the early conceptus in barren and postpartum mares;Ginther;Theriogenology,1983
4. Ultrasonic anatomy of the ovaries in mares;Ginther;Theriogenology,1983
5. Ultrasonic anatomy and pathology of the equine uterus;Ginther;Theriogenology,1983