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APA Citation
Asem, N., Ramadan, A., Hassany, M., Ghazy, R. M., Abdallah, M., Ibrahim, M., Gamal, E. M., Hassan, S., Kamal, N., & Zaid, H. (2021). pattern and determinants of COVID-19 infection and mortality across countries: An ecological study. Heliyon, 7(7), . http://access.bl.uk/ark:/81055/vdc_100136720758.0x000005