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Kenny PJ, Chen SA, Kitamura O, Markou A, Koob GF.Kenny PJ, et al. Among authors: markou a.J Neurosci. 2006 May 31;26(22):5894-900. doi: 10.1523/JNEUROSCI.0740-06.2006.J Neurosci. 2006.PMID: 16738231Free PMC article.