Custer, A., Sufrinko, A., Elbin, R. J., Covassin, T., Collins, M., & Kontos, A. (2016). High baseline postconcussion symptom scores and concussion outcomes in athletes. Journal of athletic training, 51(2), S. 136-141. http://natajournals.org/doi/pdf/10.4085/1062-6050-51.2.12

Custer, Aimee, Alicia Sufrinko, Robert J. Elbin, Tracey Covassin, Micky Collins, and Anthony Kontos. "High Baseline Postconcussion Symptom Scores and Concussion Outcomes in Athletes." Journal of Athletic Training 51, no. 2 (2016): S. 136-141.

Custer, Aimee, et al. "High Baseline Postconcussion Symptom Scores and Concussion Outcomes in Athletes." Journal of Athletic Training 51.2 (2016): S. 136-141.