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

Eric T. Domyan, et.al., Signaling through BMP receptors promotes respiratory identity in the foregut via repression of Sox2., Development (Cambridge, England), 2011, 138
http://rdf.ncbi.nlm.nih.gov/pubmed/21303850