Research letter
Chronic hydroxychloroquine therapy and COVID-19 outcomes: A retrospective case-control analysis

https://doi.org/10.1016/j.jaad.2020.10.098Get rights and content

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Funding sources: None.

IRB approval status: Reviewed and approved by the New York University Grossman School of Medicine.

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© 2021 Published by Elsevier on behalf of the American Academy of Dermatology, Inc.