TY - JOUR AU - Mullin B. AU - Langley J. AU - Lay-Yee R. AU - Connor J. AU - Wells S. AU - Norton R BT - British Medical Journal CN - Y LA - eng LB - injuryjournal PY - 2004 SE - 9.723 EP - 857. [Impact Factor 9.723] ST - British Medical Journal T2 - British Medical Journal TI - Motorcycle rider conspicuity and crash-related injury: a case-control study VL - 328 ER -