RT Journal Article SR Electronic T1 A Prospective study of preparticipation sports examinations of 2670 young athletes: method and results JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 225 OP 233 VO 49 IS 4 A1 Thompson, Thomas R. A1 Andnsh, Jack T. A1 Bergfeld, John A. YR 1982 UL http://www.ccjm.org/content/49/4/225.abstract AB