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

James P. Simmer, et.al., Hypomaturation enamel defects in Klk4 knockout/LacZ knockin mice., The Journal of biological chemistry, 2009, 284
http://rdf.ncbi.nlm.nih.gov/pubmed/19578120