Árvay, Július, Martin Hauptvogl, Eva Ivanišová, Ivana Tirdiľová, Miroslava Hrstková, Daniel Bajčan, and Peter Lazor. “Methylxanthines and Catechines in Different Teas (Camellia Sinensis L. Kuntze) - Influence on Antioxidant Properties”. Potravinarstvo Slovak Journal of Food Sciences 11, no. 1 (July 4, 2017): 510–516. Accessed April 18, 2024. https://potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/796.