title: Effect of an adrenal demedullationon signaled, one-way, active avoidance learning.
mesh_terms: D000313:Adrenal Medulla / Q000502:physiology*; D000818:Animals; D001362:Avoidance Learning / Q000502:physiology*; D003213:Conditioning, Psychological / Q000502:physiology; D008297:Male; D051381:Rats