Abstract

Journal Article The Cohort Effect and Helicobacter pylori Get access N. Banatvala, N. Banatvala Reprints or correspondence: Dr. Nicholas Banatvala, Department of Epidemiology and Medical Statistics, London Hospital Medical College at QMW, Mile End Road, London E1 4NS, UK. Search for other works by this author on: Oxford Academic PubMed Google Scholar K. Mayo, K. Mayo Search for other works by this author on: Oxford Academic PubMed Google Scholar F. Megraud, F. Megraud Search for other works by this author on: Oxford Academic PubMed Google Scholar R. Jennings, R. Jennings Search for other works by this author on: Oxford Academic PubMed Google Scholar J. J. Deeks, J. J. Deeks Search for other works by this author on: Oxford Academic PubMed Google Scholar R. A. Feldman R. A. Feldman Search for other works by this author on: Oxford Academic PubMed Google Scholar The Journal of Infectious Diseases, Volume 168, Issue 1, July 1993, Pages 219–221, https://doi.org/10.1093/infdis/168.1.219 Published: 01 July 1993 Article history Received: 14 September 1992 Revision received: 22 February 1993 Published: 01 July 1993