Similar databases
doi:10.1093/nar/gki084
doi:10.1093/nar/gkl851
doi:10.1186/1471-2105-9-299
References to data used on database contruction
The evolution of gene expression levels in mammalian organs. (2011).doi:10.1038/nature10532
Insights into hominid evolution from the gorilla genome sequence. (2012).
doi:10.1038/nature10842