简介:Wehadtreated102casesofobstinatepepticulcerandchronicgastritiswithametalringembeddedinZusanliacupointsinceOctober1989toOctober1992,andgotsatisfactorytherapeuticeffects.Thetotaleffectiverateis96.08%,thecurerateofpepticulceris87.32%,therecurrencerateissignificantlylowerthanthatofcontrolgroup(P<0.001),andithasnoside-effect.