A Study Of Effect Of Secretin For In Injection (Chirostim) On Pancreatic Fluid Composition In Healthy Subjects

Inclusion Criteria * Males or non-pregnant females * Age 18-80. * Participants must be in good health based on medical history (ASA Class 3 or below) * Participants must be willing and able to provide informed consent * Receiving an endoscopic ultrasound for a non-pancreatic indication Exclusion Criteria * History of any form of pancreatitis and/or other pancreatic diseases (e.g. pancreatic cysts, pancreatic masses). * History of inflammatory bowel disease * History of vagotomy. * History of surgically altered upper gastrointestinal anatomy (e.g. gastric bypass, Billroth I/II) * History of liver disease * Pregnant women or nursing mothers * Regular use of anticholinergics * \> 2 drinks of alcohol daily * Smokers (cigarette)