Chain saw injuries.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005151:Facial Injuries / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007869:Leg Injuries / Q000209:etiology / Q000628:therapy*; D008875:Middle Aged; D014950:Wounds, Penetrating / Q000209:etiology / Q000628:therapy*