S43 Characterizing Unmet Needs in Patients With Exocrine Pancreatic Insufficiency Due to Chronic Pancreatitis: A Patient-Centered Observational Approach. (October 2021) - Barkin, Jodie A.; Hernandez-Barco, Yasmin G; Pannala, Rahul; Delk, Trudi; Erpelding, Nathalie; Kahn, Caryl; Steel, Abbe; Decktor, Dennis L.; Whitcomb, David C