Howell, D. R., Mannix, R. C., Quinn, B., Taylor, J. A., Tan, C. O., & Meehan, W. P. (2016). Physical Activity Level and Symptom Duration Are Not Associated After Concussion. Am J Sports Med.

Howell, David R., Rebekah C. Mannix, Bridget Quinn, J. Andrew Taylor, Can Ozan Tan, and William P. Meehan. "Physical Activity Level and Symptom Duration Are Not Associated After Concussion." Am J Sports Med 2016.

Howell, David R., et al. "Physical Activity Level and Symptom Duration Are Not Associated After Concussion." Am J Sports Med 2016.