From the Centers for Disease Control. Electrocutions in construction industry involving portable metal ladders--United States, 1984-1988.
D000062:Accidents, Occupational / Q000706:statistics & numerical data*; D000328:Adult; D004556:Electric Injuries / Q000209:etiology / Q000401:mortality*; D004559:Electric Wiring; D006801:Humans; D014481:United States / Q000453:epidemiology