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

Pablo. Villavicencio-Lorini, et.al., Homeobox genes d11-d13 and a13 control mouse autopod cortical bone and joint formation., The Journal of clinical investigation, 2010, 120
http://rdf.ncbi.nlm.nih.gov/pubmed/20458143