The impact of COVID-19 quarantine on mental health: an observational study from an outpatient service for non-psychotic patients in Russia (Moscow). Emergency Care Journal, [S. l.], v. 19, n. 2, 2023. DOI: 10.4081/ecj.2023.10994. Disponível em: https://www.pagepressjournals.org/ecj/article/view/10994. Acesso em: 8 may. 2026.