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

Carlos. López-García, et.al., Molecular and morphological changes in placenta and embryo development associated with the inhibition of polyamine synthesis during midpregnancy in mice., Endocrinology, 2008, 149
http://rdf.ncbi.nlm.nih.gov/pubmed/18583422