Raneem A. Kareem, et al. “Molecular Detection of Antimicrobial Resistant Genes to Clarithromycin in Helicobacter Pylori at Basrah, Iraq”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 4, Mar. 2023, pp. 181-94, https://doi.org/10.47750/jptcp.2023.30.04.018.