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Spain
Helicobacter pylori
Infants
Rickettsia
Newborn Infant
Bartonella henselae
Bartonella quintana
Rickettsia conorii
Haemophilus influenzae
Helicobacter Infections
Rickettsia Infections
Bacillary Angiomatosis
Seroepidemiologic Studies
Antibodies, Bacterial
Anti-Bacterial Agents
Risk Factors
Sensitivity and Specificity
Incidence
Prevalence
Feces
Co-Publications
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12
10
9
8
7
6
5
4
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