Football injuries of the cervical spine and cord.
D000293:Adolescent; D000367:Age Factors; D001265:Athletic Injuries / Q000453:epidemiology*; D002574:Cervical Vertebrae; D006254:Hawaii; D006801:Humans; D008297:Male; D013119:Spinal Cord Injuries / Q000453:epidemiology*; D013124:Spinal Injuries / Q000453:epidemiology*