Analysis of Using the Total White Blood Cell Count to Define Severe New-onset Ulcerative Colitis in Children.

Mack DR, Saul B, Boyle B, Griffiths A, Sauer C, Markowitz J, LeLeiko N, Keljo D, Rosh JR, Baker SS, Steiner S, Heyman MB, Patel AS, Baldassano R, Noe J, Rufo P, Kugathasan S, Walters T, Marquis A, Thomas SM, Denson L, Hyams J, PROTECT STUDY GROUP