Prevalence and Predictors of Pancreatic Exocrine Insufficiency Among Adults Under 60 Years Presenting with Dyspepsia in Primary Care: A Cross-Sectional Study (Prevalence and Predictors of Pancreatic Exocrine Insufficiency Among Adults Under 60 Years Presenting with Dyspepsia in Primary Care: A Cross-Sectional Study) - Rıdvan KARDEŞ - Hakan DEMIRCI | European Journal of Human Health