Narula, Neeraj MD, MPH, FRCPC1; Wong, Emily C.L. BHSc1; Dulai, Parambir S. MD2; Marshall, John K. MD, MSc, FRCPC1; Jairath, Vipul MD, PhD3; Reinisch, Walter MD, PhD4 Comparative Effectiveness of Biologics for Endoscopic Healing of the Ileum and Colon in Crohn’s Disease, The American Journal of Gastroenterology: April 15, 2022 – Volume – Issue – 10.14309/ajg.0000000000001795 doi: 10.14309/ajg.0000000000001795