Učitavanje...
Validity of self reports in a cohort of Swedish adolescent smokers and smokeless tobacco (snus) users
Objective: To validate self reports of cigarette and smokeless tobacco (snus) use in a prospective cohort of adolescents. Design: A cross sectional analysis of a cohort sub-sample. Setting: County of Stockholm, Sweden. Subjects: 520 adolescents in the final grade of junior high school (mean age 15.0...
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| Glavni autori: | , , , , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
BMJ Group
2005
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1747998/ https://ncbi.nlm.nih.gov/pubmed/15791021 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/tc.2004.008789 |
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