- Autores: Barros H, Dias S, Fraga S, Ramos E, Sousa S
- Ano de Publicação: 2011
- Journal: Public health
- Link: http://www.ncbi.nlm.nih.gov/pubmed/21704349
To describe the frequency and determinants of alcohol use in a representative sample of 13 years old adolescents, and to analyse qualitatively how adolescents perceive this issue.