1. Clinical ultrasonographic evaluation of the equine placenta as a method to successfully identify and treat mares with placentitis;Troedsson;Proc Workshop Equine Placenta,2004
2. Causes of abortion, stillbirth, and perinatal death in horses: 3,527 cases (1986–1991);Giles;J Am Vet Med Assoc,1993
3. Equine placental pathology: Kentucky perspective;Williams;Proc Workshop Equine Placenta,2004
4. Aspectos etiologicos e epidemiologicos do aborto equino;Moreira;Arch Vet Sci,1998
5. Causes of abortions of horses in Saxonia from 2002 to 2007;Horugel;Prakt Tierarzt,2008