WILLETT, E L Successful transplantation of a fertilized bovine ovum. [electronic resource] - Science (New York, N.Y.) Mar 1951 - 247 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.113.2931.247 doi Subjects--Topical Terms: AnimalsCattleOvumZygote