1. A population-based epidemiologic study of irritable bowel syndrome in Guangdong province;Xiong;Natl. Med. J. China,2004
2. The epidemiology of irritable bowel syndrome and functional constipation of Guangzhou resident;Wei;Chin. J. Int. Med.,2001
3. An epidemiological and quality of life study of irritable bowel syndrome in Zhejiang province;Si;Chin. J. Int. Med.,2003
4. Epidemiology investigation of IBS in Fushan area;YP;Chin. J. Dig.,2004
5. Epidemiology of IBS in Qinghuangdao area;Zhang;Shandong Med.,2008