IJE Advance Access originally published online on July 17, 2006
International Journal of Epidemiology 2006 35(4):1097-1098; doi:10.1093/ije/dyl159
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2006; all rights reserved.
Commentary |
Commentary: A unifying mathematical hypothesis for the epidemiology of Helicobacter-associated diseasesplurality should not be assumed without necessity
Helicobacter pylori Research Laboratory, Room 1.11, L Block, QEII Medical Centre, Hospital Avenue, Nedlands WA 6009, Australia
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In the latest of a series of papers on the epidemiology and disease associations of Helicobacter pylori, Sonnenberg1 provides a mathematical basis for observations that have been made in many countries over the past 150 years. In a nutshell, several authors have noted that the peak incidence of gastric ulcer occurred for a birth cohort born (in Britain) around 1880 and the peak for duodenal ulcer was 