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Open Access
Available online 26 April 2020
WITHDRAWN: Covid-19: Round and oval areas of ground-glass opacity
W. Schmitta, E. Marchiorib,
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Corresponding author.
a Imaging Department - Centro Hospitalar do Porto, Porto, Portugal
b Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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The Publisher regrets that this article is an accidental duplication of an article that has already been published, DOI of original article:

The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at

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Copyright © 2020. Sociedade Portuguesa de Pneumologia

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