Spinal injuries and BMX bicycles.
D000063:Accidents, Traffic; D000293:Adolescent; D001642:Bicycling; D050723:Fractures, Bone / Q000150:complications; D006801:Humans; D008297:Male; D010264:Paraplegia / Q000209:etiology*; D013124:Spinal Injuries / Q000150:complications*; D013177:Sports