Yahav, J Relevance of CagA positivity to clinical course of Helicobacter pylori infection in children. [electronic resource] - Journal of clinical microbiology Oct 2000 - 3534-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0095-1137 Standard No.: 10.1128/JCM.38.10.3534-3537.2000 doi Subjects--Topical Terms: Antibodies, Bacterial--bloodAntigens, BacterialBacterial Proteins--analysisChildDuodenal Ulcer--epidemiologyFollow-Up StudiesGastritis--epidemiologyHelicobacter Infections--microbiologyHelicobacter pylori--classificationHumansImmunoglobulin G--bloodPainPrevalenceTime FactorsTreatment OutcomeVirulence