Risk of Helicobacter pylori infection in newborn babies of Helicobacter pylori-positive pregrant woman - DURSUN, Mehmet; GÖRAL, Vedat; ŞİMŞEK, Halis and YÜKSELEN, Vahit and HASÇELİK, Gülşen and CANORUÇ, Fikri (Turkish Journal of Gastroenterology, 1998)