Yu ZHAO ; Xiao-Hua XU ; Feng-Lin LIU ; Shu-Hong ZHANG ; Ai-Ming SITU
Chinese Journal of Contemporary Pediatrics 2008;10(3):403-404
Adolescent ; Bile Reflux ; etiology ; Child ; Child, Preschool ; Female ; Gastritis ; etiology ; Gastroscopy ; Helicobacter Infections ; complications ; diagnosis ; Helicobacter pylori ; Humans ; Male