Čustović, Nerma, et al. “Characteristics of Patients With Nonvariceal Upper Gastrointestinal Bleeding - Are We Underestimating Gastroprotection During NSAIDs Therapy?”. Acta Medica Academica, vol. 50, no. 2, Nov. 2021, pp. 244-51, doi:10.5644/ama2006-124.340.