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COVID-19: some unanswered questions
- Correspondence to Dr Philip D Welsby, Retired, Edinburgh EH12 8UB, UK; philipwelsby{at}aol.com
Citation
COVID-19: some unanswered questions
Publication history
- Received April 21, 2020
- Accepted April 25, 2020
- First published May 13, 2020.
Online issue publication
September 02, 2020
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- Previous version (13 May 2020).
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© Author(s) (or their employer(s)) 2020. 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.