What The Study Did: This randomized clinical trial evaluates the safety and efficacy of two chloroquine diphosphate dosages in patients with severe coronavirus disease 2019 (COVID-19).
Authors: Marcus Vinícius Guimarães Lacerda, M.D., of the Fundação de Medicina Tropical Dr Heitor Vieira Dourado in Manaus, Brazil, is the corresponding author.
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