The nature of trauma.
D000059:Accidents; D000061:Accidents, Home; D000062:Accidents, Occupational; D000063:Accidents, Traffic; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005194:Family Practice; D005392:First Aid; D006801:Humans; D007223:Infant; D013223:Statistics as Topic; D006113:United Kingdom