Effect of public smoking ban in Helena,Montana.

Autor: Surindran, Sheena
Předmět:
Zdroj: BMJ: British Medical Journal (International Edition); 6/5/2004, Vol. 328 Issue 7452, p1379-1380, 2p
Abstrakt: Presents a letter to the editor about the effect of a public smoking ban in Helena, Montana.
Databáze: Complementary Index