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. ESI Preprints (European Scientific Journal, ESJ), [S. l.], v. 15, p. 252, 2023. Disponível em: https://esipreprints.org/index.php/esipreprints/article/view/338. Acesso em: 18 jul. 2026.