Skateboard Accidents.
D000056:Accident Prevention; D000059:Accidents; D000293:Adolescent; D001134:Arm Injuries / Q000453:epidemiology; D001265:Athletic Injuries / Q000453:epidemiology*; D002140:California; D002675:Child, Preschool; D006259:Craniocerebral Trauma / Q000453:epidemiology; D050723:Fractures, Bone / Q000453:epidemiology; D006801:Humans; D007869:Leg Injuries / Q000453:epidemiology; D008297:Male