References
- Warren J R, Marshall B. Unidentified curved bacilli on gastric epithelium in active chronic gastritis. Lancet 1983; 1: 1273–1275
- Perez-Perez G I, Dworkin B M, Choclos J E, Blaser M J. Campylobacter pylori antibodies in humans. Ann Intern Med 1988; 109: 11–17
- Blaser M J. Helicobacter pylori and the pathogenesis of gastroduodenal inflammation. J Infect Dis 1990; 161: 626–633
- van der Est M M C, Veenendaal R A, Peña A S, van Duijn W, Kuiper I, Lamers C B H W. Elisa analysis of IgA subclass antibodies to Helicobacter pylori. Elevated serum IgA 1 antibodies in helicobacter pylori infected patients. J Clin Nutr Gastroenterol 1990; 5: 185–190
- Van der Est M M C, Veenendaal R A, Peña A S, Kuiper I, Lamers C B H W. Local IgA subclass alteration in the gastric mucosa of Helicobacter pylori infected patients. Proceedings of the third workshop of the European Helicobacter pylori study group, In press
- Beck O E. Distribution of virus antibody activity among human IgG subclasses. Clin Exp Immunol 1981; 43: 626–632
- Rauws E A J, Tytgat G N J. Cure of duodenal ulcer associated with eradication of Helicobacter pylori. Lancet 1990; 2: 1233–1235
- Coghlan J G, Gilligan D, Humphries H, et al. Campylobacter pylori and recurrence of duodenal ulcers. A 12 month follow-up study. Lancet 1987; 2: 1109–1111
- Peña A S, Endtz M P, Offerhaus G J A, et al. Value of serology (ELISA and immunoblotting) for the diagnosis of Campylobacter pylori infection. Digestion 1989; 44: 131–141
- Sarvas H, Rautonen N, Sipinen S, Mäkelä O. IgG subclasses of pneumococcal antibodies. Effect of allotype G2m(n). Scand J Immunol 1989; 29: 229–237
- Liu M, Lin H, Chen P. Duodenal ulcer hemorrhage with and without dyspepsia. Am J Gastroenterol 1990; 85: 1343–1345
- Pounder R. Silent peptic ulceration: deadly silence or golden silence. Gastroenterology 1989; 96: 626–631
- Jorde R, Burhol D G. Asymptomatic peptic ulcer disease. Scand J Gastroenterol 1987; 22: 129–134
- Pension J G, Wormsley K G. Asymptomatic duodenal ulcers—implications of heterogeneity. Aliment Pharmacol Ther 1990; 4: 557–567
- Steer H W, Hawtin P R, Newell D G. An ELISA technique for the serodiagnosis of Campylobacter pyloridis infection in patients with gastritis and benign duodenal ulceration. Serodiag Immunother 1987; 1: 253–259
- Rotter J I, Rimoin D L. Peptic ulcer disease. A heterogeneous group of disorders?. Gastroenterology 1977; 73: 604–607
- Lam S K, Ong G B. Duodenal ulcers: early and late onset. Gut 1976; 17: 169–179
- Goedhard J G, Peña A S, Biedmond I, Kreuning J, Lamers C B H W. ABO and Lewis blood groups, secretor status and duodenal ulcer disease. J Clin Nutr Gastroenterol 1987; 2: 69–73
- Freijd A, Jonsson A, Rynnel-Dagöö B. Age-dependent IgG subclass distribution of phosphocholine antibodies in humans. APMIS 1988; 96: 901–905
- Owen R J, Costas M, Morgan D D, et al. Strain variation in Campylobacter pylori detected by numerical analysis of one-dimensional electrophoretic protein patterns. Antonie van Leeuwenhoek 1989; 55: 253–267
- Danielson D, Blomberg B, Järnerot G, Kosunen T U. Heterogeneity of Campylobacter pylori as demonstrated by co-agglutination testing with rabbit antibodies. Scand J Gastroenterol 1988; 23(Suppl 142)58–63
- Perez-Perez G I, Blaser M J. Conservation and diversity of Campylobacter pyloridis major antigens. Infect Immunol 1987; 55: 1256–1263
- Yoshimura H H, Evans D G, Graham D Y. H. pylori strains from duodenal ulcer patients differ at the genomic level from those from patients with simple gastritis. Rev Esp Enf Digest 1990; 78(Suppl 1)09
- Granhoff D M, Suarez B K, Pandey J P, Shackelford P G. Genes associated with the G2m(23) immunoglobulin allotype regulate the IgG subclass responses to Haemophilus influenzae type b polysaccharide vaccine. J Infect Dis 1988; 157: 1142–1149