Authors: Maaroos, HI Vorobjova, T Sipponen, P Tammur, R Uibo, R Wadstrom, T Keevallik, R Villako, K

Citation: Hi. Maaroos et al., An 18-year follow-up study of chronic gastritis and Helicobacter pylori association of CagA positivity with development of atrophy and activity of gastritis, SC J GASTR, 34(9), 1999, pp. 864-869