title: Twin gestation in the mare: the incidence of placental vascular anastomoses and their influence on the reproductive performance of heterosexual equine twins.
mesh_terms: D000818:Animals; D005260:Female; D005298:Fertility; D005330:Fetofetal Transfusion; D006736:Horses / Q000502:physiology*; D011247:Pregnancy; D014427:Twins