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Petersson M, Uvnäs-Moberg K, Erhardt S, Engberg G.Petersson M, et al. Among authors: erhardt s.Neurosci Lett. 1998 Oct 16;255(2):115-8. doi: 10.1016/s0304-3940(98)00729-0.Neurosci Lett. 1998.PMID: 9835228