Delayed gastric emptying and morbidity after pylorus-preserving versus pylorus-resecting pancreaticoduodenectomy: systematic review and meta-analysis

U. Klaiber, P. Probst, O. Strobel, C. Dörr-Harim, C. W. Michalski, M. K. Diener, M. W. Büchler, T. Hackert