O€™BRIEN, Tanya; LYNCH, Aileen. The Impact of the COVID-19 Lockdown Restrictions on Physical Activity Levels in European Adolescents: A Systematic Review and Meta-Analysis. European Scientific Journal, ESJ, [S. l.], v. 15, p. 252, 2023. Disponível em: https://test.eujournal.org/index.php/esj/article/view/16530. Acesso em: 19 apr. 2025.