What is the Optimal Method Assessing for Persistent Villous Atrophy in Adult Coeliac Disease? - Coleman SH; Rej A; Baggus EMR; Lau MS; Marks LJ; Hadjivassiliou M; Cross SS; Leffler DA; Elli L; Sanders DS (Journal of gastrointestinal and liver diseases : JGLD, 2021)