Citation

Torg JS, Quedenfeld TC, Moyer RA, Truex R, Spealman AD, Nichols CE. J. Am. Coll. Health Assoc. 1977; 25(4): 224-226.

Copyright

(Copyright © 1977, American College Health Association)

DOI

unavailable

PMID

874193

Abstract

[Abstract unavailable]

Keywords: American football

Language: en