District programme to reduce smoking: can sustained intervention by general practitioners affect prevalence?
Russell, M A, Stapleton, J A, Hajek, P, Jackson, P H, Belcher, MVolume:
42
Language:
english
Journal:
Journal of Epidemiology & Community Health
DOI:
10.1136/jech.42.2.111
Date:
June, 1988
File:
PDF, 778 KB
english, 1988