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APA Citation
Jassat, W., Abdool Karim, S. S., Mudara, C., Welch, R., Ozougwu, L., Groome, M. J., Govender, N., von Gottberg, A., Wolter, N., Wolmarans, M., Rousseau, P., , , Blumberg, L., & Cohen, C. (2022). clinical severity of COVID-19 in patients admitted to hospital during the omicron wave in South Africa: a retrospective observational study. Lancet, 10(7), e961–e969. http://access.bl.uk/ark:/81055/vdc_100157241775.0x000012