Zięba, Bartosz, and Elzbieta Kimak. “Gamma-Glutamyl Transferase (GGT) Activity and Lipid Concentration in Patient With Coronary Artery Disease (CAD)”. Current Issues in Pharmacy and Medical Sciences, vol. 25, no. 4, Dec. 2012, pp. 357-9, https://doi.org/10.12923/j.2084-980X/25.4/a.03.