title: Retraction notice.
abstract: Microarray and Synchronization of Neuronal Differentiation with Pathway Changes in the Kyoto Encyclopedia of Genes and Genomes (KEGG) Databank in Nerve Growth Factor-Treated PC12 Cells; Current Neurovascular Research, Vol. 9, No. 1; Pp. 222-229. Chih-Ming Lin and Wayne Feng This article has been withdrawn at the request of the authors. The Publisher apologizes for any inconvenience this may have caused.