İrfan SOYKAN, Hülya ÇETİNKAYA, Cansel TÜRKAY, and Ali ÖZDEN, “The effect of different dosage and duration of lansoprazole-clarithromycin- amoxycillin combination on Helicobacter pylori eradication”, Turkish Journal of Gastroenterology, vol. 10, no. 2, pp. 115–117, Jul. 2019.