Tran DL, Nguyen TK, Ong HT, et al. STUDY ON LEVOFLOXACIN RESISTANCE MUTATIONS OF HELICOBACTER PYLORI BACTERIA IN CHILDREN WITH GASTRITIS AND PEPTIC ULCER AT CAN THO CHILDREN’S HOSPITAL IN 2021-2023. CTJUMP. 2024;(71):153-160. doi:10.58490/ctump.2024i71.2339