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Neurobiology of aversive states.
Umberg EN, Pothos EN. Umberg EN, et al. Physiol Behav. 2011 Jul 25;104(1):69-75. doi: 10.1016/j.physbeh.2011.04.045. Epub 2011 May 1. Physiol Behav. 2011. PMID: 21549137 Free PMC article. Review.