Keywords: Adult cyclist head injuries versus helmet use in New Zealand.jpg Adult cyclist head injuries versus helmet use in New Zealand svg en Graph of adult cyclist head injuries versus helmet use in New Zealand Own 2008-03-29 Alan Liefting Data from Table 1 in Changes in head injury with the New Zealand bicycle helmet law<ref> cite journal Robinson D L Changes in head injury with the New Zealand bicycle helmet law Accident Analysis and Prevention 33 687-697 2001 http //www cycle-helmets com/AAP2001DLRNZHI pdf 2008-03-29 </ref> References reflist Cycling in New Zealand Road transport safety Files by Alan Liefting |