Media type: E-Article Title: Lipopolysaccharide increases endogenous morphine levels in rat brain Contributor: Goumon, Yannick; Bouret, Sebastien; Casares, Frederico; Zhu, Wei; Beauvillain, Jean-Claude; Stefano, George B Published: Elsevier BV, 2000 Published in: Neuroscience Letters, 293 (2000) 2, Seite 135-138 Language: English DOI: 10.1016/s0304-3940(00)01507-x ISSN: 0304-3940 Keywords: General Neuroscience Origination: Footnote: