Faecal Scent as a Novel Non-Invasive Biomarker to Discriminate between Coeliac Disease and Refractory Coeliac Disease: A Proof of Principle Study oleh Maxine D. Rouvroye, Alfian Wicaksono, Sofie Bosch, Edo Savelkoul, James A. Covington, Hanneke Beaumont, Chris J. Mulder, Gerd Bouma, Tim G.J. de Meij, Nanne K.H. de Boer