title: Retrofitting roll bars and seatbelts for old U.S. tractors to prevent farm deaths: now or never.
authors.forename: George A
authors.initials: GA
authors.lastname: Conway
mesh_terms: D000062:Accidents, Occupational / Q000401:mortality / Q000517:prevention & control*; D000383:Agriculture / Q000295:instrumentation*; D004867:Equipment Design; D017408:Guidelines as Topic; D006801:Humans; D009026:Mortality; D018986:Motor Vehicles; D012449:Safety / Q000331:legislation & jurisprudence; D012622:Seat Belts; D014481:United States; D014947:Wounds and Injuries / Q000401:mortality / Q000517:prevention & control*