00426nas a2200133   4500000000100000008004100001260002100042100001800063700001100081700001400092700001800106700001300124245015500137       2002                            d  aMontreal, Canada1 aWoodward Mark1 aLam L.1 aConnor J.1 aAmeratunga S.1 aNorton R00aThe effects of young passenger carriage and the number of passengers carried on the risk of car crash injury among young drivers: a case control study