Ultrasonographic Evaluation of Gastroduodenal Wall Thickness for Prediction of Gastritis and Helicobacter Pylori Infection in Children

H. Mazaher ¹ , F. Farahmand ² , F. Khanali ³ , S. M. Vaziri Bozorg ³ , A. R. Ghasemi Esfe ³ , F. E. Mahjoub ⁴ , A. Roohi ³ , Mehrzad Mehdizadeh ^{5 , *}