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Alcaro A, Panksepp J.Alcaro A, et al. Among authors: panksepp j.Neurosci Biobehav Rev. 2011 Oct;35(9):1805-20. doi: 10.1016/j.neubiorev.2011.03.002. Epub 2011 Mar 15.Neurosci Biobehav Rev. 2011.PMID: 21396397Review.
Alcaro A, Huber R, Panksepp J.Alcaro A, et al. Among authors: panksepp j.Brain Res Rev. 2007 Dec;56(2):283-321. doi: 10.1016/j.brainresrev.2007.07.014. Epub 2007 Aug 21.Brain Res Rev. 2007.PMID: 17905440Free PMC article.Review.