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Associations between Screen Time and Physical Activity among Spanish Adolescents
Serrano-Sanchez JA,
Martí-Trujillo S,
Lera-Navarro A,
Dorado-García C,
González-Henríquez JJ,
et al.
(2011)
Associations between Screen Time and Physical Activity among Spanish Adolescents.
PLOS ONE 6(9): e24453.
https://doi.org/10.1371/journal.pone.0024453