Association of smoking and severity of COVID-19 infection among 5,889 patients in Malaysia: a multi-center observational study
Objective: This study aims to investigate the association between smoking and the severity of COVID-19 infection during the initial wave of this pandemic in Malaysia. Methods: This is a multi-center observational study using secondary hospital data collected retrospectively from February 1, 2020, u...
Main Authors: | , , , , , , , , , , , |
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Format: | Article |
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Elsevier
2022
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