G. Petrović, A. Nagorni, G. Bjelaković, D. Benedeto Stojanov, and B. Radovanović Dinić, “Noninvasive assessment of the presence and size of esophageal varices”, Vojnosanit Pregl, vol. 80, no. 08, Aug. 2023, doi: 10.2298/VSP220915008P.