Association of Baseline Luminal Narrowing With Ileal Microbial Shifts and Gene Expression Programs and Subsequent Transmural Healing in Pediatric Crohn Disease. Issue 11 (20th October 2021) - Ta, Allison D; Ollberding, Nicholas J; Karns, Rebekah; Haberman, Yael; Alazraki, Adina L; Hercules, David; Baldassano, Robert; Markowitz, James; Heyman, Melvin B; Kim, Sandra; Kirschner, Barbara; Shapiro, Jason M; et al.