Pathogenesy ofpu 浙医一院 -Helicobacter pylori Biology abostrychoid,have flegalla, microamount requirement of oxygen urase urea NH3 oVac A cag A Evidence-based medicine high positive rate of HP in PU the eradication of Hp facilitate the healing of PU the eradication of Hp degrades the recurrence of PUBiology bostrychoid,have flegalla, microamount requirement of oxygen urase: urea NH3 Vac A, Cag A Evidence-based medicine high positive rate of HP in PU the eradication of Hp facilitate the healing of PU the eradication of Hp degrades the recurrence of PU Pathogenesy of PU —Helicobacter Pylori