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Correspondence
No evidence so far on the protective effect of hydroxychloroquine to prevent COVID-19: comment by Joob and Wiwanitkit

Authors

  • Vasco C. Romão Rheumatology Department, Hospital de Santa Maria, CHULN, Lisbon Academic Medical Centre, Lisbon, Portugal Rheumatology Research Unit, Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal PubMed articlesGoogle scholar articles
  • Ana Rita Cruz-Machado Rheumatology Department, Hospital de Santa Maria, CHULN, Lisbon Academic Medical Centre, Lisbon, Portugal Rheumatology Research Unit, Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal PubMed articlesGoogle scholar articles
  • João Eurico Fonseca Rheumatology Department, Hospital de Santa Maria, CHULN, Lisbon Academic Medical Centre, Lisbon, Portugal Rheumatology Research Unit, Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal PubMed articlesGoogle scholar articles
  1. Correspondence to Prof. João Eurico Fonseca, Rheumatology Research Unit, Instituto de Medicina Molecular João Lobo Antunes. Av Prof Egas Moniz, 1649-028, Lisbon, Portugal; jecfonseca{at}gmail.com
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Citation

Romão VC, Cruz-Machado AR, Fonseca JE
No evidence so far on the protective effect of hydroxychloroquine to prevent COVID-19: comment by Joob and Wiwanitkit
Annals of the Rheumatic Diseases 2021;80:e22.

Publication history

  • Received April 18, 2020
  • Accepted April 21, 2020
  • First published May 13, 2020.
Online issue publication 
January 12, 2021

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© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ. This article is made freely available for use in accordance with BMJ’s website terms and conditions for the duration of the covid-19 pandemic or until otherwise determined by BMJ. You may use, download and print the article for any lawful, non-commercial purpose (including text and data mining) provided that all copyright notices and trade marks are retained.https://bmj.com/coronavirus/usage