Sökücü S, Süoğlu ÖD, Türkkan E, Elkabes B, Özden T, Saner G. Helicobacter pylori infection in Turkish children with gastrointestinal symptoms and evaluation of serology. Turk J Pediatr 2002; 44: 102-108. https://doi.org/10.24953/turkjpediatr.2002.2950