Combination Antibiotics Improves Disease Activity and Alters Microbial Communities in Children With Ulcerative Colitis. Issue 3 (September 2018) - Kordy, Kattayoun; Romeo, Anna Claudia; Lee, David J.; Li, Fan; Zabih, Sara; Saavedra, Monica; Cunningham, Nicole J.; Tobin, Nicole; Aldrovandi, Grace M.