Gomonchareonsiri, S., B. Tantisira, M. Tantisira, C. Patarapanich, and W. Hiroshi. “The Effect of Valproic Acid and Its Amide Derivative on Extracellular Glutamate and Glutamine Levels In the Cerebral Cortex of Freely Moving Rats: an in Vivo Micro Dialysis Study”. Journal of Basic and Applied Pharmacology, vol. 24, July 2015, p. 138, https://li01.tci-thaijo.org/index.php/JBAP/article/view/36566.