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Vitamin D levels and mortality with SARS-COV-2 infection: a retrospective two-centre cohort study
- Correspondence to Dr Mansoor Zafar, Gastroenterology, GIM, Conquest Hospital, Saint Leonards on Sea, UK; 1mansoorzafar{at}gmail.com
Citation
Vitamin D levels and mortality with SARS-COV-2 infection: a retrospective two-centre cohort study
Publication history
- Received May 30, 2021
- Accepted August 22, 2021
- First published September 6, 2021.
Online issue publication
June 22, 2022
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© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ. This article is made freely available for personal 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