NASUTION, F. A.; AMIN, M. M.; EFFENDY, E. Factors Associated with Smartphone Addiction during COVID-19 Pandemic Lockdown in Students of Faculty of Medicine in North Sumatera. Open Access Macedonian Journal of Medical Sciences, [S. l.], v. 10, n. T7, p. 59–62, 2022. DOI: 10.3889/oamjms.2022.9257. Disponível em: https://oamjms.eu/index.php/mjms/article/view/9257. Acesso em: 3 may. 2024.