Nimsung, R., Haesungcharern, A. and Klunklin, K. (2016) “A COLORIMETRIC DETERMINATION OF HUMAN SERUM GAMMA GLUTAMYL TRANSPEPTIDASE (GGTP) ACTIVITY : I. A SUITABLE TECHNIQUE”, Journal of Associated Medical Sciences, 14(1), p. 5. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/61909 (accessed: 13 September 2026).