Role of physical injury in the physiological effects of population density in mice.
D000374:Aggression; D000818:Animals; D001522:Behavior, Animal; D004777:Environment; D006801:Humans; D008297:Male; D051379:Mice; D009929:Organ Size; D011603:Psychophysiology; D013154:Spleen / Q000502:physiology; D014947:Wounds and Injuries