Helicobacter pylori 23S rRNA clarithromycin resistance mutation:Prid:Pt:Isolate/Specimen:Nom:Molgen
helicobacter pylori 23s rrna clarithromycin resistance mutation:prid:pt:isolate/specimen:nom:molgen
H pylori 23S clarithro res mut Islt/Spm
h pylori 23s clarithro res mut islt/spm