CJCP     2012 14 (09):  675-677    ISSN: 1008-8830  CN: 43-1301/R Investigation of current infection with Helicobacter pylori in children with gastrointestinal symptoms ZHANG Yong, LI Jin-Xia Department of Pediatrics, Maternity and Children’s Health Hospital, Dongguan, Guangdong 523000, China. minxingmeimei@126.com Received: null  Revised: null  Online: null Supporting info