Piland, S. G., Ferrara, M. S., Macciocchi, S. N., Broglio, S. P., & Gould, T. E. (2010). Investigation of baseline self-report concussion symptom scores. Journal of athletic training, 45(3), S. 273-278. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2865966/pdf/i1062-6050-45-3-273.pdf

Piland, Scott G., Michael S. Ferrara, Stephen N. Macciocchi, Steven P. Broglio, and Trenton E. Gould. "Investigation of Baseline Self-report Concussion Symptom Scores." Journal of Athletic Training 45, no. 3 (2010): S. 273-278.

Piland, Scott G., et al. "Investigation of Baseline Self-report Concussion Symptom Scores." Journal of Athletic Training 45.3 (2010): S. 273-278.