6BAZZOLI F,ZAGARI M,POZZATO P,et al.Evaluation of short-term low-dose triple therapy for the eradication of Helicobacter pylori by factorial design in a randomized,double-blind,controlled study[J].Aliment pharmacl Ther,1998,12(5):439-445.
7XIA H X,BUCKLEY M,HYDE D,et al.Effects of antibiotic resistance on clarithromycin-combined triple therapy for Helicobacter pylori[J].Gut,1995,37(Supple 1):A55.