Jean-François Fléjou

Calcitonin‐Secreting Tumors of the Pancreas: About Six Cases

A. Sauvanet, J. Belghiti, P. Ruszniewski, 1998, Pancreas.

European evidence-based Consensus on the diagnosis and management of ulcerative colitis: Definitions and diagnosis.

B F Warren, S. Schreiber, S. Vermeire, 2008, Journal of Crohn's & colitis.