We've detected a paper from Frontiers in Cardiovascular Medicine that cites a retracted paper post-retraction. Citing paper: https://t.co/LVw4v9ofWt Retracted paper: https://t.co/jaDkgRvLSc
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1,388/ https://t.co/sLn5i2fiAd
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7,421/ Brazil (est. current tobacco smoking age 15+ was 13.1% in 2020) Of 6,957 with suspected or confirmed Covid-19, 5.9% were smokers (not specified if current or ever) OR (hospitalization/ICU/mechanical ventilation/death): 0.84 (0.64–1.10) p=0.223 h
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Great work by @tomribeiroecg and colleagues. The telemedicine database is a great tool to ask and answer such important questions.