Systematic review and meta-analysis: does gall-bladder ejection fraction on cholecystokinin cholescintigraphy predict outcome after cholecystectomy in suspected functional biliary pain?
Delgado-Aros S, Cremonini F, Bredenoord AJ, Camilleri M. Systematic review and meta-analysis: does gall-bladder ejection fraction on cholecystokinin cholescintigraphy predict outcome after cholecystectomy in suspected functional biliary pain? Aliment Pharmacol Ther. 2003 Jul 15; 18(2):167-74.