Han, X.; Yu, X.; Gao, X.; Wang, X.; Tay, C. Y.; Wei, X.; Lai, B.; Marshall, B. J.; Zhang, X.; Chua, E. G. Quantitative PCR of string-test collected gastric material: A feasible approach to detect Helicobacter pylori and its resistance against clarithromycin and levofloxacin for susceptibility-guided therapy. Helicobacter 2023, 28 (4), e12985.