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

Clara I. Rodriguez, et.al., Disruption of the ubiquitin ligase HERC4 causes defects in spermatozoon maturation and impaired fertility., Developmental biology, 2007, 312
http://rdf.ncbi.nlm.nih.gov/pubmed/17967448