Lee SY, Kim HJ, Joo SH, Kwon KJ, Lee J, Han SH, Cho JY, Cheong JH, Ko KH, Shin* CY.  Regulation of the Activity of Tissue Plasminogen Activator and Plasminogen Activator Inhibitor-1 by Zinc in Rat Primary Astrocytes.  Exp Neurobiol 2009;18:48-56.