D. T. Ferrín Zambrano, C. C. Cedeño Ugalde, J. Cañarte Alcivar, and G. L. Uzcanga Urbina, “Helicobacter pylori as a causal agent of gastric pathologies diagnosed in patients at the Ecuatorian Institute of Digestive Diseases, Ecuador”, Kasmera, vol. 51, p. e5138018, Apr. 2023.