1. Comparison of different tests for Campylobacter pylon;Megraud, F.;Scandj Gastroenterol,1988
2. Campylobacter pylon detected noninvasively by the "C-urea breath test;Graham, D.Y.; Klein, P.D.; DJ, Jr, Evans;Lancet,1987
3. "C-urea breath analysis, a non-invasive test for Campylobacter pyloi in the stomach;Bell, G.D.; Weil, J.; Harrison, G.;Lancet,1987
4. Carbon-14 urea breath test for the diagnosis ofCampylobacterpyloi asssociated gastritis;Marshall, B.J.; Surveyor, I.;J Nucl Med,1988
5. Tytgat GN. "4C-urea breath test in Cpylorigastritis;Rauws, E.A.J.; Royen, E.A.V.; Langenberg, W.; Woensel, J.V.; Vrij, A.A.;Gut,1989