Smolović, Brigita, Dejana Stanisavljević, Mileta Golubović, Ljiljana Vučković, Biljana Miličić, and Srdjan Djuranović. 2015. “Bleeding Gastroduodenal Ulcers in Patients Without Helicobacter Pylori Infection and Without Exposure to Non-Steroidal Anti-Inflammatory Drugs”. Vojnosanitetski Pregled 71 (2). https://doi.org/10.2298/2844.