![On average, a professional rugby union player is more likely than not to sustain a concussion after 25 matches]()
On average, a professional rugby union player is more likely than not to sustain a concussion after 25 matchesRafferty, James; Ranson, Craig; Oatley, Giles; Mostafa, Mohamed; Mathema, Prabhat; Crick, Tom; Moore, Isabel S · British Journal of Sports Medicine · 2018