Familial Pancreatic Intraductal Papillary and Mucinous Neoplasms Do Not Carry Constitutional or Postzygotic GNAS Activating Mutations. Issue 2 (February 2021) - Gaujoux, Sebastien; Parvanescu, Alina; Fusco, Grazia; Linglart, Agnes; Sauvanet, Alain; Couvelard, Anne; Levy, Philippe; Rebours, Vinciane; Cros, Jerome