Smoke-free restaurant ordinances do not affect restaurant business. Period.
Glantz
S A
SA
D002140:California; D006801:Humans; D012147:Restaurants / Q000191:economics* / Q000331:legislation & jurisprudence; D012907:Smoking / Q000331:legislation & jurisprudence*; D000074606:Smoking Prevention; D014028:Tobacco Smoke Pollution / Q000331:legislation & jurisprudence* / Q000517:prevention & control
D014028:Tobacco Smoke Pollution