RT Article T1 Influences on passenger vehicle casualty accident frequency and severity: driver gender, driver age, drinking driving and restraint device use JF Accident analysis & prevention VO 19 IS 3 SP 231 OP 237 A1 Mercer, G. W. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1641538473 K1 Straßenverkehrsunfälle K1 Trunkenheit am Steuer