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
Helicobacter pylori 23S ribosomal ribonucleic acid clarithromycin resistance mutation:Presence or Identity:To identify measures at a point in time:Isolate/Specimen:Nominal:Molecular Genetics
helicobacter pylori 23s ribosomal ribonucleic acid clarithromycin resistance mutation:presence or identity:to identify measures at a point in time:isolate/specimen:nominal:molecular genetics