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APA Citation
Portnoy, A., Jit, M., Ferrari, M., Hanson, M., Brenzel, L., & Verguet, S. (2019). estimates of case-fatality ratios of measles in low-income and middle-income countries: a systematic review and modelling analysis. Lancet, 7(4), e472–e481. http://access.bl.uk/ark:/81055/vdc_100149131151.0x000003