Luo L, Huang Y, Liang X, Ji Y, et al. Susceptibility-guided therapy for Helicobacter pylori-infected
penicillin-allergic patients: A prospective clinical trial of first-line and
rescue therapies. Helicobacter 2020 May 19:e12699. doi: 10.1111/hel.12699.
PMID: 32428369