title: Postpartum copulatory and maternal behaviour in Norway rats under seminatural conditions.
mesh_terms: D000818:Animals; D003307:Copulation; D004542:Ejaculation; D005260:Female; D008297:Male; D008425:Maternal Behavior; D049590:Postpartum Period; D011247:Pregnancy; D051381:Rats / Q000502:physiology*; D013997:Time Factors