Is it time to abandon youth access programmes?
DiFranza
J R
JR
D000293:Adolescent; D015982:Bias; D002648:Child; D003132:Commerce / Q000331:legislation & jurisprudence; D005260:Female; D006266:Health Education / Q000331:legislation & jurisprudence / Q000639:trends*; D006801:Humans; D008297:Male; D015201:Meta-Analysis as Topic; D011057:Politics; D012907:Smoking / Q000331:legislation & jurisprudence; D000074606:Smoking Prevention; D014481:United States