title: Open-field behavior in mice: effect of litter size.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D005106:Exploratory Behavior; D005260:Female; D008098:Litter Size; D008297:Male; D051379:Mice; D009043:Motor Activity; D011247:Pregnancy; D012737:Sex Factors; D014886:Weaning