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Tobacco Smoking Among School Children in Colombo District, Sri Lanka
Tobacco smoking is an important problem among schoolchildren. The authors studied the patterns of tobacco smoking among schoolchildren in Colombo, Sri Lanka, using a self-administered questionnaire. Multistaged stratified random sampling was used to select 6000 students. Response rate was 90.7% (544...
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| Vydáno v: | Asia Pac J Public Health |
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| Hlavní autoři: | , , , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2012
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4767522/ https://ncbi.nlm.nih.gov/pubmed/22426558 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/1010539512439228 |
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