M. . Ahmad, H. . Khan, M. U. . Sheikh, S. U. R. . Orakzai, S. . Humerah, and J. . Anjum, “Investigating the Relationship Between Helicobacter pylori Infection and the Severity of Bronchial Asthma”, Pak J Chest Med, vol. 29, no. 1, pp. 96–103, Mar. 2023.