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Chen SA, O'Dell LE, Hoefer ME, Greenwell TN, Zorrilla EP, Koob GF.Chen SA, et al. Among authors: koob gf.Neuropsychopharmacology. 2006 Dec;31(12):2692-707. doi: 10.1038/sj.npp.1301008. Epub 2006 Jan 25.Neuropsychopharmacology. 2006.PMID: 16452993