2Pantoflickova D,Scott DR,Sachs G,et al.13 C urea breath test (UBT)in the diagnosis of Helicobacter pylori: why does it work better with acid test meals[].Gut.2003
3Winiarski M,Bielanski W,Plonka M,et al.The Usefulness of Capsu_lated 13 C-Urea Breath Test in Diagnosis ofHelicobacter pylori Infection in Patients With Upper Gastrointestinal Bleeding[].Journal of Clinical Gastroenterology.2003
4Rehnberg AS,Bengtsson C,Befrits R,et al.Refinement of the 14 C-urea breath test for detection of Helicobacter pylori[].Scandinavian Journal of Gastroenterology.2001
5Kato S,Ozawa K,Okuda M,et al.Accuracy of the stool antigen test for the diagnosis of childhood Helicobacter pylori infection: a multicenter Japanese study[].The American journal of Gastroenterology.2003
6Graham DY,Opekun AR,Hammoud F,et al.Studies regarding the me_chanismof false negative urea breath tests with proton pump inhibitors[].The American journal of Gastroenterology.2003
7Hamlet AK,Erlandsson KI,Olbe L,et al.A simple, rapid, and highly reliable capsule-based 14 C urea breath test for diagnosis of Helicobacter pylori infection[].Scandinavian Journal of Gastroenterology.1995