Post-Traumatic Headache in Children and Genetic Risk of Migraine: An Observational Cohort Study.

Orr SL, Hershey AD, Kurowski BG, Langevin LM, Martin LJ, Pilipenko V, Tang K, Beauchamp MH, Craig WR, Doan Q, Zemek R, Yeates KO; as the Pediatric Emergency Research Canada A-CAP study team.