Graduate School;
Peking Union Medical College and Chinese Academy of Medical Sciences;
Beijing 100730;
China;
Department of Gastroenterology;
China-Japan Friendship Hospital;
Beijing 100029;
China;
School of Biological Science and Medical Engineering;
Beihang University;
Beijing 100191;
China;
Department of Epidemiology and Health Statistics;
School of Public Health;
Qingdao University;
Qingdao 266071;
Shandong Province;
China;
Fecal; metabolite; Irritable; bowel; syndrome; Amino; acids; Organic; acids; Short; chain; fatty; acids; Visceral; hypersensitivity;