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

D S. Keeney, et.al., Cholesterol side-chain cleavage cytochrome P450 gene expression in the primitive gut of the mouse embryo does not require steroidogenic factor 1., Molecular endocrinology (Baltimore, Md.), 1995, 9
http://rdf.ncbi.nlm.nih.gov/pubmed/7476982