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

Claudia. Senn, et.al., Mice deficient for the HNK-1 sulfotransferase show alterations in synaptic efficacy and spatial learning and memory., Molecular and cellular neurosciences, 2002, 20
http://rdf.ncbi.nlm.nih.gov/pubmed/12213450