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Clinical features and natural history of the first 2073 suspected COVID-19 cases in the Corona São Caetano primary care programme: a prospective cohort study.
BMJ Open. 2021 Jan 12;11(1):e042745. doi: 10.1136/bmjopen-2020-042745.
BMJ Open. 2021.
PMID: 33436471
Free PMC article.
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