Clinical and Host Biological Factors Predict Colectomy Risk in Children Newly Diagnosed With Ulcerative Colitis. Issue 2 (1st February 2022) - Hyams, Jeffrey S; Brimacombe, Michael; Haberman, Yael; Walters, Thomas; Gibson, Greg; Mo, Angela; Mack, David; Griffiths, Anne; Boyle, Brendan; LeLeiko, Neal; Markowitz, James; Rosh, Joel; et al.