Creation of an ustekinumab external control arm for Crohn's disease using electronic health records data: A pilot study.

Rudrapatna VA, Cheng YW, Feuille C, Mosenia A, Shih J, Shi Y, Roberson O, Rubin B, Butte AJ, Mahadevan U, Skomrock N, Erondu N, Chehoud C, Rahim S, Apfel D, Curran M, Khan NS, O'Brien C, Terry N, Martini BD