1. Dandona R, Mishra A. Death due to road traffic crashes in Hyderabad city in India: Need for strengthening surveillance. Natl Med J India. 2004;17:74–9 [accessed 20 October 2013].
2. Wikipedia: http://en.wikipedia.org/wiki/Traffic_collision [accessed 20 October 2013].
3. Peden M, Scurfield R, Sleet D, Mohan D, Hyder AA, Jarawan E, editors. World report on road traffic injury prevention. Geneva: World Health Organization; 2004 [ http://www.wpro.who.int/philippines/topics/injuries/world_report_traffic_injury_prevention.pdf ] accessed 20 October 2013].
4. World Health Organization 2013. “Global Status Report on Road Safety: Supporting a Decade of Action”. 2013.
5. World Health Organization 1984. Road traffic accidents in developing countries. Technical Report Series No. 73. Geneva, WHO. http://whqlibdoc.who.int/trs/WHO_TRS_703.pdf . [accessed 20 September 2013].