Showing leads to doing: graphic cigarette warning labels are an effective public health policy.
David
D
Hammond
Geoffrey T
GT
Fong
Paul W
PW
McDonald
K Stephen
KS
Brown
Roy
R
Cameron
D002170:Canada; D005062:European Union; D006291:Health Policy; D006801:Humans; D011356:Product Labeling / Q000379:methods*; D015397:Program Evaluation; D011634:Public Health; D019460:Tobacco Industry / Q000331:legislation & jurisprudence*