3Christensen MF.Eomell classiffcation-the final delimitaLion of functional pafns inchildren[J].Journal of Pediatric Gastroenterology and Nutrition,2004,59(5): 505-504.
4Das BK,Simple Kakkar,Dixit VK,et aI.Helicobacter pylori infec- tion and recurrent abdominal pain in children[J].Tropical Pediat- rics, 2005,49(4): 250-252.
