Can Fecal-Elastase-1 (FE-1) Be Used to Detect Pancreatic Exocrine Insufficiency in Patients Undergoing Pancreaticoduodenectomy?. (2022) - Hartman, V.; Roeyen, E.; Bracke, B.; Huysentruyt, F.; De Gendt, S.; Chapelle, T.; Ysebaert, D.; Roeyen, G.