title: The effects of age of egg and site of transfer on survival of transferred eggs in the ewe.
mesh_terms: D000818:Animals; D005260:Female; D005306:Fertilization; D010063:Ovum / Q000502:physiology* / Q000637:transplantation; D011247:Pregnancy; D012756:Sheep / Q000502:physiology*; D013997:Time Factors