O lenei pusa o loʻo faʻaaogaina mo in vitro qualitative detection of Helicobacter pylori antibodies i serum o le tagata, plasma, toto toto atoa poʻo le tamatamailima faʻataʻitaʻiga toto atoa, ma tuʻuina atu se faʻavae mo le suʻesuʻeina fesoasoani o faʻamaʻi pipisi o Helicobacter pylori i tagata mamaʻi maʻi faʻamaʻi gastric.