Serologic Reactivity Reflects Clinical Expression of Ulcerative Colitis in Children.

Spencer EA, Davis SM, Mack DR, Boyle BM, Griffiths AM, LeLeiko NS, Sauer CG, Keljo DJ, Markowitz JF, Baker SS, Rosh JR, Baldassano RN, Oliva-Hemker M, Pfefferkorn MD, Otley AR, Heyman MB, Noe JD, Patel AS, Rufo PA, PROTECT Study Group , Alison Marquis M, Walters TD, Collins MH, Kugathasan S, Denson LA, Hyams JS, Dubinsky MC