Jumrutruttanakorn, Tudsaneeya, Torpong Sanguansermsri, and Areerat Punyakeaw. 2015. “A Modified Microcolumn Chromatography for Hb A2 Determination”. Journal of Associated Medical Sciences 31 (1):31. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60356.