@article{19000,
  author = {Ivers R. and Lo S. and Liu B. and Blows S. and Boufous S. and Norton R},
  title = {Helmets for preventing injury in motorcycle riders},
  year = {2007},
  journal = {Cochrane Database of Systematic Reviews},
  volume = {1},
  chapter = { 4.654},
  pages = {CD004333. [IF 4.654]},
  language = {eng},
}