Ahmadkhaniha, R. .; Rastkari, N. .; Kobarfard, F. .; Pakdaman, H. .; Ahmadkhaniha, O. .; Kebriaeezadeh, A. An Improved GC Method ForRapid Analysis of Valproic Acid in Human Plasma Without Derivatization: Determination of Valproic Acid in Plasma. Iran.J.Pharm.Sci 2007, 3, 37-42.