Retracted: Immunoglobulin G4+ B‐cell receptor clones distinguish immunoglobulin G 4‐related disease from primary sclerosing cholangitis and biliary/pancreatic malignancies
Marieke E. Doorenspleet, Lowiek M. Hubers, Emma L. Culver, Lucas J. Maillette de Buy Wenniger, Paul L. Klarenbeek, Roger W. Chapman, Frank Baas, Stan F. van de Graaf, Joanne Verheij, Thomas M. van Gulik, Eleanor Barnes, Ulrich Beuers, Niek de Vries – 25 March 2016 – Immunoglobulin G4 (IgG4)‐related disease (IgG4‐RD) of the biliary tree and pancreas is difficult to distinguish from sclerosing cholangitis and biliary/pancreatic malignancies (CA). An accurate noninvasive test for diagnosis and monitoring of disease activity is lacking.