Wilcox, Charles Mel. “Rational Use of Fecal Elastase–1 Testing for Exocrine Pancreatic Insufficiency (EPI): Use of Fecal Elastase-1”. SMART-MD Journal of Precision Medicine 1, no. 2 (September 30, 2024): e15 - e17. Accessed May 19, 2026. https://www.smart-md.org/index.php/jpm/article/view/11.