Wershil, B K Helicobacter pylori infection in children--an update. [electronic resource] - Journal of pediatric gastroenterology and nutrition Mar 1999 - 241 p. digital Publication Type: News ISSN: 0277-2116 Standard No.: 10.1097/00005176-199903000-00004 doi Subjects--Topical Terms: ChildHelicobacter InfectionsHelicobacter pyloriHumans