Detection  of gastric inhibitory polypeptide levels of diabetic rats 
before and after gastric bypass surgery and its significance
LIU Bin,XU Jing-wei,LIU Jing-jing,TIAN Xiao-feng,QIAO Shi-xing
Journal of Jilin University(Medicine Edition) . 2013, (2): 294 -299 .  DOI: 10.7694/jldxyxb20130223