title: Effects of conditioned aversive stimuli presented during tonic immobility in guinea pigs.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D001522:Behavior, Animal; D003214:Conditioning, Classical; D005239:Fear; D005260:Female; D006168:Guinea Pigs; D006990:Hypnosis; D008297:Male; D010146:Pain; D013997:Time Factors