Impact of COVID-19 pandemic on asthma exacerbations: Retrospective cohort study of over 500000 patients in a national English primary care database -…

Impact of COVID-19 pandemic on asthma exacerbations: Retrospective cohort study of over 500000 patients in a national English primary care database  The Lancet

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Impact of COVID-19 pandemic on asthma exacerbations: Retrospective cohort study of over 500000 patients in a national English primary care database -...

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