D RajaRajeswari, et al. “Serum Gamma Glutamyl Transferase Levels in Association With Lipids and Lipoproteins in Type 2 Diabetes Mellitus”. International Journal of Medical Research, vol. 2, no. 03, July 2014, pp. 54-57, https://ijmrinternational.in/index.php/ijmr/article/view/43.