Salman, N. et al. 2023. PRIMARY ANTIBIOTIC RESISTANCE AND EFFECTIVENESS OF CLARITHROMYCIN VS METRONIDAZOLE BASED THERAPY FOR HELICOBACTER PYLORI INFECTION IN CHILDREN. Journal of Ayub Medical College Abbottabad. 35, 3 (Jul. 2023), 390–393. DOI:https://doi.org/10.55519/JAMC-03-11648 .