Sklyarov, Oleksandr, et al. “The Role of Vitamin E and NO-Synthase Systemin Cytoprotective Mechanisms of Gastric Mucosa”. Current Issues in Pharmacy and Medical Sciences, vol. 22, no. 3, June 2009, pp. 13-16, https://czasopisma.umlub.pl/curipms/article/view/2790.