Smoking prevalence in Portuguese school-aged adolescents by gender: Can we be optimistic?
| Autor: | Precioso, J., Samorinha, C., Macedo, M., Antunes, H. |
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| Zdroj: | In Revista Portuguesa de Pneumologia (English Edition) July-August 2012 18(4):182-187 |
| Databáze: | ScienceDirect |
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