| seroprevalence of helicobacter pylori and caga antibodies in iceland, estonia and sweden. | the public health implications from h. pylori infection are considerable but the transmission routes are largely unknown. in this study, the prevalence, patient characteristics and risk factors for helicobacter pylori infection were comparatively investigated in iceland, sweden and estonia. blood samples were collected from 1046 subjects aged approximately 25-50 y (447 in reykjavik, 359 in uppsala and 240 in tartu) for determination of antibodies to h. pylori and its caga protein. the prevalence ... | 2007 | 17654344 |