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

C H. Charles, et.al., cDNA sequence of a growth factor-inducible immediate early gene and characterization of its encoded protein., Oncogene, 1992, 7
http://rdf.ncbi.nlm.nih.gov/pubmed/1741163