title: Postpartum copulation and induction of pregnancy in roof rats (Rattus rattus).
mesh_terms: D000818:Animals; D003307:Copulation; D004971:Estrus; D005260:Female; D008098:Litter Size; D008297:Male; D009115:Muridae; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats