Ayhan Hilmi Çekin, et al. “Use of Probiotics As an Adjuvant to Sequential H. Pylori Eradication Therapy: Impact on Eradication Rates, Treatment Resistance, Treatment-Related Side Effects, and Patient Compliance ”. Turkish Journal of Gastroenterology, vol. 28, no. 1, July 2019, pp. 3-11, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3339.