Fig. 2From: Inhibition of Neuronal Nitric Oxide Synthase Increases Aggressive Behavior in MiceAggressive behavior in adult male mice treated with 7-nitroindazole (7-NI), 3-indazoli-none (3–1), or oil vehicle (oil) in a grouped aggression in neutral arena model.(A) Mean (± SEM) number of aggressive encounters; (B) mean (± SEM) duration of each aggressive encounter. Symbols and conventions are as in Fig. 1.Back to article page