Search results for: Yuan Fang
Digestive Diseases and Sciences > 2009 > 54 > 2 > 342-347
Digestive Diseases and Sciences > 2008 > 53 > 8 > 2083-2089
Digestive Diseases and Sciences > 2009 > 54 > 2 > 342-347
Digestive Diseases and Sciences > 2008 > 53 > 8 > 2083-2089