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

Terence D. Capellini, et.al., Conservation of notochord gene expression across chordates: insights from the Leprecan gene family., Genesis (New York, N.Y. : 2000), 2008, 46
http://rdf.ncbi.nlm.nih.gov/pubmed/18798549