Aghayeva, S.; Katzka, D.; Afandiyeva, N.; Bor, S.; Babayeva, G.; Hidayatov, A.; Mammadzada, G. The Prevalence of Gastroesophageal Reflux Disease in Azerbaijan: A Population-Based Cross-Sectional Study. Turkish Journal of Gastroenterology 2023, 34, 1134-1142.