Suitability of external controls for drug evaluation in Duchenne muscular dystrophy.

Goemans N, Signorovitch J, Sajeev G, Yao Z, Gordish-Dressman H, McDonald CM, Vandenborne K, Miller D, Ward SJ, Mercuri E; investigators from PRO-DMD-01 Study, CINRG DNHS, ImagingDMD, and the DMD Italian Group.