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https://twitter.com/KittySn52889207/status/1269058272276799488?s=19
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Retraction: Hydroxychloroquine or chloroquine with or without a macrolide for treatment of Covid-19: a multinational-registry analysis.
Under scrutiny: Surgisphere, whose data changed the policy of WHO and some governments regarding hydroxychloroquine in the treatment of Covid-19…
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weehingthong 
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