References
- Welz K: Uber Haufigkeit, Verletzungen und Unfallgeschehen bei Schulsportunfallen. Beitr Orthop Traumatol 17:444–453, July 1970
- Orava S, Puranen J: Exertion injuries in adolescent athletes. Br J Sports Med 12:4–10, March 1978
- Zeldis SM, Morganroth J, Rubler S: Cardiac hypertrophy in response to dynamic conditioning in female athletes. J Appl Physiol 44:849–852, June 1978
- Jackson DW: Personal communication