00421nas a2200169   4500000000100000008004100001100001400042700001500056700001500071700001400086700001300100700001300113245008000126300003100206490000800237050000600245       2004                            d1 aMullin B.1 aLangley J.1 aLay-Yee R.1 aConnor J.1 aWells S.1 aNorton R00aMotorcycle rider conspicuity and crash-related injury: a case-control study  a857. [Impact Factor 9.723]0 v328  aY