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Argentina
2
Children
2
Epidemiology
2
H pylori
Helicobacter infection
2
Helicobacter pylori
2
Prevalence
2
Urea breath test
2
adolescent
2
article
2
bacterial colonization
2
bacterium detection
2
bird
2
cat
2
child
controlled study
family study
2
female
2
gastritis
2
gastrointestinal infection
2
gastrointestinal symptom
2
high risk population
2
household
2
human
2
infection risk
2
major clinical study
2
male
2
nonhuman
2
pediatric hospital
2
population research
2
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1
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2