CJCP     2004 6 (5):  445-446    ISSN: 1008-8830  CN: 43-1301/R Significance of 3-hour esophageal pH detection in the diagnosis of gastroesophageal reflux disease LI Bing-Bing, DAI Xing, CHA Jian-Zhong, KANG Hong Received: null  Revised: null  Online: null Supporting info