A model for the efficient and effective enforcement of tobacco sales laws.
DiFranza
J R
JR
Department of Family and Community Medicine, University of Massachusetts Medical Center, Worcester 01655, USA.
Celebucki
C C
CC
Seo
H G
HG
D000293:Adolescent; D002648:Child; D003132:Commerce / Q000331:legislation & jurisprudence*; D006801:Humans; D008404:Massachusetts; D010947:Plants, Toxic; D012907:Smoking / Q000331:legislation & jurisprudence*; D014026:Nicotiana