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Methods of the International Tobacco Control (ITC) Four Country Survey
This paper outlines the design features, data collection methods and analytic strategies of the International Tobacco Control (ITC) Four Country Survey, a prospective study of more than 2000 longitudinal respondents per country with yearly replenishments. This survey possesses unique features that s...
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| Auteurs principaux: | , , , , , , , , , , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
BMJ Group
2006
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2593059/ https://ncbi.nlm.nih.gov/pubmed/16754941 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/tc.2005.013870 |
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