title: Intraspecific fighting during late pregnancy and lactation in rats and effects of litter removal.
mesh_terms: D000374:Aggression; D000818:Animals; D000831:Animals, Newborn; D004291:Dominance-Subordination; D004777:Environment; D005260:Female; D005865:Gestational Age; D006801:Humans; D007774:Lactation; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D011930:Reaction Time; D012931:Social Environment; D012934:Social Isolation