Increased risk of injury following red and yellow cards, injuries and goals in FIFA World Cups
Jaakko Ryynänen, Jiri Dvorak, Lars Peterson, Hannu Kautiainen, Jón Karlsson, Astrid Junge, Mats Börjesson
British Journal of Sports Medicine Oct 2013, 47 (15) 970-973; DOI: 10.1136/bjsports-2013-092487