Smoking bans in public places may reduce use of cannabis in Europe.
Watson
Rory
R
D005060:Europe; D002189:Marijuana Abuse / Q000517:prevention & control*; D011633:Public Facilities / Q000331:legislation & jurisprudence*; D012907:Smoking / Q000331:legislation & jurisprudence*; D000074606:Smoking Prevention; D014028:Tobacco Smoke Pollution / Q000331:legislation & jurisprudence*
D014028:Tobacco Smoke Pollution