Induction of superimplantation in the ovariectomized, pregnant rat by intra-luminal injection of oestrogen.
D000367:Age Factors; D000818:Animals; D002369:Castration; D010064:Embryo Implantation / Q000187:drug effects*; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D011272:Pregnancy, Multiple; D051381:Rats; D014599:Uterus / Q000187:drug effects*
D004958:Estradiol