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

Xiaofei. Sun, et.al., Endocannabinoid signaling directs differentiation of trophoblast cell lineages and placentation., Proceedings of the National Academy of Sciences of the United States of America, 2010, 107
http://rdf.ncbi.nlm.nih.gov/pubmed/20837524