Tummarintra, P., Kaewbundit, P., Boonprasert, R., & Kolladarungkri, T. (2015). The Effect of Sample Storage Temperature on the Phenytoin Level in Serum. Siriraj Medical Journal, 67(6), 262–266. Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/55210