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Effect of public smoking ban in Helena, Montana: When results look too good to be true, they probably are: Fig 1

2004; BMJ; Volume: 328; Issue: 7452 Linguagem: Inglês

10.1136/bmj.328.7452.1379-b

0959-8138

Geoffrey C. Kabat,

Behavioral Health and Interventions

EDITOR—As a cancer researcher who has published extensively on the harmful effects of smoking, I am in favor of vigorous smoking bans. However, the study by Sargent et al, claiming that the six month smoking ban in Helena, Montana, was associated with an immediate 40% drop in heart attacks must be viewed with scepticism.1 Fig 1 Admissions for …