Rui-fang ZHAO ; Ji-hua ZENG ; Zhi-ying JI ; Xiaomei LÜ ; Ha WU ; Fanlei GU
Chinese Journal of Pediatrics 2004;42(6):469-470
Child ; Child, Preschool ; Female ; Gastrointestinal Hemorrhage ; diagnosis ; Gastrointestinal Tract ; diagnostic imaging ; Humans ; Infant ; Male ; Radionuclide Imaging ; Sodium Pertechnetate Tc 99m