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Seroprevalence of anti-Helicobacter pylori IgG in asymptomatic subjects according to age groups and sex. The seroprevalence of anti-Helicobacter pylori IgG increased with age and seropositivity rate in subjects ≤ 20, 21-30 and 31-40 years of age were higher in males but in subjects 41-50 and 51-60 years of age were higher in female
