RT Journal Article SR Electronic T1 Sports Medicine: The School-Age Athlete JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 312 OP 312 DO 10.3122/jabfm.10.4.312b VO 10 IS 4 A1 Maier, Russell YR 1997 UL http://www.jabfm.org/content/10/4/312.2.abstract AB