title: Acquisition of DRL-20 behavior in male and female, Roman high- and low-avoidance rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003216:Conditioning, Operant; D005260:Female; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule; D012737:Sex Factors; D013045:Species Specificity