RDF of MGI datapubmed

Fernando. Berrendero, et.al., Nicotine-induced antinociception, rewarding effects, and physical dependence are decreased in mice lacking the preproenkephalin gene., The Journal of neuroscience : the official journal of the Society for Neuroscience, 2005, 25
http://rdf.ncbi.nlm.nih.gov/pubmed/15689546