This article is maintained by: Elsevier
Article Title: Type and quantity of physical activity and screen based activities of students from the 7th to the 12th grades: Characterization and association
Journal Title: Revista Portuguesa de Saúde Pública
CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/J.RPSP.2016.07.001
Content Type: article
Copyright: © 2016 The Authors. Published by Elsevier España, S.L.U. on behalf of Escola Nacional de Saúde Pública.