Schoolboy rugby union injuries.
D000293:Adolescent; D001265:Athletic Injuries / Q000517:prevention & control*; D002574:Cervical Vertebrae / Q000293:injuries*; D002648:Child; D006801:Humans; D004204:Joint Dislocations / Q000517:prevention & control*; D008297:Male; D014474:Unconsciousness / Q000517:prevention & control*