Citation

Harwood MI, Raikin SM. J. Am. Board Fam. Pract. 2003; 16(1): 69-72.

Affiliation

Department of Family Medicine, Jefferson Medical College, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA.

Copyright

(Copyright © 2003, American Board of Family Practice)

DOI

unavailable

PMID

12583653

Abstract

[Abstract unavailable]

Keywords: American football

Language: en