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APA Citation
Joffe, S., Babiker, A., Ellenberg, S. S., Fix, A., Griffin, M. R., Hunsberger, S., Kalil, J., Levine, M. M., Makgoba, M. W., Moore, R. H., Tsiatis, A. A., & Whitley, R. (2021). data and Safety Monitoring of COVID-19 Vaccine Clinical Trials. Journal of infectious diseases, 224, 1995–2000. http://access.bl.uk/ark:/81055/vdc_100148060371.0x000057