Ko te Kete Whakaaturanga (Colloidal Gold) mo te Whakawhiti (Tf) he karaehe koura immunochromatographic mo te whakatau tohu Tf mai i nga tai tangata.He pai mo te tātaritanga awhina o te toto gastrointestinal.Ko te teat he reagent tirotiro, ko nga tauira pai katoa me whakamana e etahi atu tikanga.Ko tenei whakamatautau he tikanga mo te whakamahi ngaio hauora anake.