Brain Transcriptome Database (BrainTx)http://rdf.ncbi.nlm.nih.gov/pubmed/

J A. Haefliger, et.al., Four novel members of the connexin family of gap junction proteins. Molecular cloning, expression, and chromosome mapping., The Journal of biological chemistry, 1992, 267
http://rdf.ncbi.nlm.nih.gov/pubmed/1370487