articles

http://media.www.siude.com/media/storage/paper1096/news/2008/01/18/City/Smoking.Ban.Has.Unforeseen.Effects.On.Restaurants-3157222.shtml
Smoking Ban has unforseen effects on Restaurants- Daily Egyptian

http://query.nytimes.com/gst/fullpage.html?res=990DE2D91E30F93AA15750C0A9629C8B63&sec=health
Bars & restaurants thrive (in NYC, after ban)/NY Times

http://www.newscientist.com/article/dn3557-public-smoking-ban-slashes-heart-attacks.html
Ban slashes heart attacks, New Scientist

http://www.semissourian.com/story/1301303.html
S.E. Missourian- Illinois smoking ban "going to hurt"