TY - ECHAP
AU - Ivers R.
AU - H. Viet Dang
AU - World Health Organization
AU - Jan Stephen
BT - Helmets: how to implement and evaluate interventions 
CY - Geneva
LA - eng
LB - injurybook
PB - World Health Organization
PP - Geneva
PY - 2006
T2 - Helmets: how to implement and evaluate interventions 
TI - How to assess the impact of the programme. Module 6
ER -