Bonza, J. E., Fields, S. K., Yard, E. E., & Comstock, R. D. (2009). Shoulder injuries among United States high school athletes during the 2005-2006 and 2006-2007 school years. Journal of athletic training, 44(1), S. 76-83. doi:10.4085/1062-6050-44.1.76

Bonza, John E., Sarah K. Fields, Ellen E. Yard, and R. Dawn Comstock. "Shoulder Injuries Among United States High School Athletes During the 2005-2006 and 2006-2007 School Years." Journal of Athletic Training 44, no. 1 (2009): S. 76-83.

Bonza, John E., Sarah K. Fields, Ellen E. Yard, and R. Dawn Comstock. "Shoulder Injuries Among United States High School Athletes During the 2005-2006 and 2006-2007 School Years." Journal of Athletic Training 44.1 (2009): S. 76-83.