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

Wen-Bin. Liu, et.al., Differential expression of the catalytic subunits for PP-1 and PP-2A and the regulatory subunits for PP-2A in mouse eye., Molecular vision, 2008, 14
http://rdf.ncbi.nlm.nih.gov/pubmed/18432318