Effect of public smoking ban in Helena, Montana: can law really make a difference?
| Autor: | Surindran S |
|---|---|
| Jazyk: | angličtina |
| Zdroj: | BMJ (Clinical research ed.) [BMJ] 2004 Jun 05; Vol. 328 (7452), pp. 1379-80; author reply 1380. |
| DOI: | 10.1136/bmj.328.7452.1379-c |
| Databáze: | MEDLINE |
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