TY - CPAPER AU - Norton R BT - Aga Khan University and Road Traffic Injuries Research Network CY - Karachi, Pakistan DA - -35253006420 LA - eng PP - Karachi, Pakistan PY - 2008 T2 - Aga Khan University and Road Traffic Injuries Research Network TI - Operational issues in injury surveillance. Measuring the burden of injuries: A cost-effective approach ER -