A sample of headache incidence in post concussive patients
Donna Ouchterlony, Patricia Johnson, Amy Wong, Alicja Michalak, Jane Topolovec-Vranic, Cheryl Masanic, Zeesham Waseem
British Journal of Sports Medicine Apr 2013, 47 (5) e1; DOI: 10.1136/bjsports-2012-092101.30