Turman, E J Multiple births in beef cows treated with equine gonadotropin (PMS) and chorionic gonadotropin (HCG). [electronic resource] - Journal of animal science May 1971 - 962-7 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/jas1971.325962x doi Subjects--Topical Terms: AnimalsBirth WeightCattleChorionic Gonadotropin--pharmacologyEstrus--drug effectsFemaleFertility--drug effectsGonadotropins--pharmacologyGonadotropins, Equine--pharmacologyOvulation--drug effectsPregnancyReproduction--drug effects