Čustović, N. et al. 2021. Characteristics of Patients with Nonvariceal Upper Gastrointestinal Bleeding - Are We Underestimating Gastroprotection during NSAIDs Therapy?. Acta Medica Academica. 50, 2 (Nov. 2021), 244–251. DOI:https://doi.org/10.5644/ama2006-124.340.