1. Campylobacter pylori detected noninvasively by the 13C-urea breath test;Graham, D.Y.; Klein, P.D.; Evans, D.J.; Evans, G.E.; Alport, L.C.; Operkun, A.R.;Lancet,1987
2. '4C-urea breath analysis, a non-invasive test for Campylobacter pylori in the stomach;Bell, G.D.; Weil, J.; Harrison, G.; Morden, A.; Jones, P.H.; Gant, P.W.;Lancet,1987
3. The European '3C-urea breath test for the detection of Helicobacter pylori;Logan, R.P.H.; Dill, S.; Bauer, F.E.; Walker, M.M.; Hirschl, A.M.; Gummett, P.A.;EurJ Gastroenterol Hepatol,1991
4. '4C-urea breath test in C pylori gastritis;Rauws, E.A.J.; Royen, E.A.V.; Langenberg, W.; Woensel, J.V.; Vrij, T.; Tytgat, G.N.;Gut,1989
5. A 20-minute breath test for H pylori;Marshall, B.J.; Plankey, M.W.; Hoffman, SR, Boyd; CL, Dye; KR, Frierson; N.F.;Am J Gastroenterol,1991