ZAHID, M.; TAHIR, N.; QUADRI, K. H. M.; AZHAR, A.; SHABIR, M. M.; WAHAB, A.; URFI, U.; WAQAR, K. .; NADEEM, D. Mental health status of medical staff working in hospitals during COVID-19 pandemic in Pakistan: A cross-sectional study. Principles and Practice of Clinical Research, [S. l.], v. 8, n. 1, 2022. DOI: 10.21801/ppcrj.2022.81.1. Disponível em: https://journal.ppcr.org/index.php/ppcrjournal/article/view/167. Acesso em: 8 feb. 2023.