@conference{17475,
  author = {Norton R},
  title = {Study designs for assessing risk factors and effectiveness of interventions for MC injuries. Motorcycle crashes and injuries in Low and Middle-income Countries: Epidemiology and Prevention},
  year = {2009},
  journal = {Maseno University and Road Traffic Injuries Research Network},
  address = {Nairobi, Kenya},
  language = {eng},
}