Bouters, R Twin gestation in the mare: the incidence of placental vascular anastomoses and their influence on the reproductive performance of heterosexual equine twins. [electronic resource] - Journal of reproduction and fertility Apr 1972 - 149 p. digital Publication Type: Journal Article ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.0290149 doi Subjects--Topical Terms: AnimalsFemaleFertilityFetofetal TransfusionHorses--physiologyPregnancyTwins