1. Appraisal of the PIBD-classes Criteria: A Multicentre Validation. (26th May 2020) Authors: Ledder, Oren; Sonnino, Micol; Birimberg-Schwartz, Liron; Escher, Johanna C; Russell, Richard K; Orlanski-Meyer, Esther; Matar, Manar; Assa, Amit; Tzion, Raffi Lev; Shteyer, Eyal; Griffiths, Anne; Turner, Dan Journal: Journal of Crohn's and colitis Issue: Volume 14:Number 12(2020) Page Start: 1672 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗