title: Attempts to produce indentical offspring in the sheep by mechanical division of the ovum.
mesh_terms: D000818:Animals; D002455:Cell Division; D002478:Cells, Cultured; D004624:Embryo Transfer; D005260:Female; D005306:Fertilization; D008297:Male; D010063:Ovum / Q000502:physiology / Q000637:transplantation*; D011247:Pregnancy; D012756:Sheep; D014184:Transplantation, Homologous