M. R. Alam, M. S. Arefin, M. A. M. . Sarkar, M. . Ohab, M. Z. . Rahman, and M. A. . Kabir, “Helicobacter Pylori Eradication by Levofloxacin Based Triple Therapy in Patients with Peptic Ulcer Disease”, J Chittagong Med Coll Teachers Ass, vol. 31, no. 1, pp. 102–107, Jun. 2020.