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

D M. Kingsley, et.al., The mouse short ear skeletal morphogenesis locus is associated with defects in a bone morphogenetic member of the TGF beta superfamily., Cell, 1992, 71
http://rdf.ncbi.nlm.nih.gov/pubmed/1339316