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Validity of smokers' information about present and past cigarette brands--implications for studies of the effects of falling tar yields of cigarettes on health.
Four hundred and twenty nine current smokers and ex-smokers who had provided details 12 years previously completed a self administered questionnaire about their present and past smoking habits, and two weeks later current smokers supplied an empty cigarette packet. The tar group and brand name of th...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1986
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC460294/ https://ncbi.nlm.nih.gov/pubmed/3715776 |
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