Survey of worksite smoking policies--New York City.
D000395:Air Pollutants, Occupational; D006291:Health Policy; D006801:Humans; D009519:New York City; D012907:Smoking; D014028:Tobacco Smoke Pollution / Q000517:prevention & control*
D000395:Air Pollutants, Occupational; D014028:Tobacco Smoke Pollution