Induction of maternal behaviors in primigravid rats by ovariectomy, hysterectomy, or ovariectomy plus hysterectomy: effect of length of gestation.
D000028:Abortion, Induced; D000818:Animals; D001522:Behavior, Animal; D002369:Castration; D005260:Female; D007044:Hysterectomy; D008425:Maternal Behavior; D010298:Parity; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats