Blunt anorectal injuries in children.
D001003:Anal Canal / Q000293:injuries*; D001265:Athletic Injuries / Q000209:etiology / Q000473:pathology; D001642:Bicycling; D002648:Child; D006801:Humans; D008297:Male; D012007:Rectum / Q000293:injuries*; D014949:Wounds, Nonpenetrating / Q000209:etiology / Q000473:pathology*