Penny, H A, Rej, A, Baggus, E M R, Coleman, S H, Ward, R, Wild, G, Bouma, G, Trott, N, Snowden, J A, Wright, J, Cross, S S, Hadjivassiliou, M & Sanders, D S 2022, ' Non-Responsive and Refractory Coeliac Disease : Experience from the NHS England National Centre ', Nutrients, vol. 14, no. 13, 2776 . https://doi.org/10.3390/nu14132776 Nutrients, 14(13):2776. Multidisciplinary Digital Publishing Institute (MDPI) Nutrients; Volume 14; Issue 13; Pages: 2776