CJCP     2001 3 (6):  705-706    ISSN: 1008-8830  CN: 43-1301/R Comparison between two methods in detecting Helicobacter pylori:the quantitative value of the 13C-urea breath test and gastroscopy LI Bing-Bing, KANG Hong-Zhuang Received: null  Revised: null  Online: null Supporting info