Changes in physical activity and screen time related to psychological well-being in early adolescence: findings from longitudinal study ELANA

Straatmann, Viviane S ; Oliveira, Aldair J ; Rostila, Mikael ; Lopes, Claudia S

BMC public health, 2016-09, Vol.16 (1), p.977-977, Article 977 [Periódico revisado por pares]

England: BioMed Central Ltd

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