C. . Ulusoy, A. . Nikolovski, G. . Yavuz, T. . Saydam, ir A. İlbey . Demirel, „Laparoscopically Treated Giant Gastric Bezoar Complicated with Large Ulcer in Young Patient“, LS, t. 20, nr. 3-4, p. 166–170, gruodž. 2021, doi: 10.15388/LietChirur.2021.20.49.