Athletic injuries. Application of epidemiologic methods.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001265:Athletic Injuries / Q000453:epidemiology*; D006259:Craniocerebral Trauma / Q000453:epidemiology; D006359:Heat Exhaustion / Q000453:epidemiology; D006801:Humans; D009657:North Carolina; D011482:Protective Devices; D012008:Recurrence; D012494:Sampling Studies; D013177:Sports