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

M. Hemberger, et.al., cDNA subtraction cloning reveals novel genes whose temporal and spatial expression indicates association with trophoblast invasion., Developmental biology, 2000, 222
http://rdf.ncbi.nlm.nih.gov/pubmed/10885754