Low serum trypsinogen levels in chronic pancreatitis: Correlation with parenchymal loss, exocrine pancreatic insufficiency, and diabetes but not CT-based cambridge severity scores for fibrosis

W. Z. Zhan, Venkata S. Akshintala, Phil J. Greer, Julia B. Greer, Samer Alkaade, Michelle A. Anderson, Thiruvengadam Muniraj, Georgios I. Papachristou, Bimaljit S. Sandhu, Adam Slivka, C. Mel Wilcox, Melena D. Bellin, Vikesh K. Singh, Dhiraj Yadav, Randall E. Brand, David C. Whitcomb