The formulation and implementation of a national helmet law: a case study from Viet Nam.
Passmore
Jonathon W
JW
World Health Organization, Viet Nam Country Office, Hanoi, Viet Nam. passmorej@wpro.who.int
Nguyen
Lan Huong
LH
Nguyen
Nam Phuong
NP
Olivé
Jean-Marc
JM