Hakan Ümit ÜNAL, et al. “Ongoing Symptoms After Eradication of Helicobacter Pylori: Psychiatric Disorders May Accompany!”. Turkish Journal of Gastroenterology, vol. 24, no. 1, July 2019, pp. 15-21, https://tjg.avesjournals.com/index.php/tjg/article/view/2769.