BMJ : British medical journal
The most recent articles from:
BMJ
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Letter Historical Article
Face masks for the public during covid-19: the more things change.
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Meta Analysis
Diagnostic accuracy of serological tests for covid-19: systematic review and meta-analysis.
To determine the diagnostic accuracy of serological tests for coronavirus disease-2019 (covid-19). ⋯ PROSPERO CRD42020179452.
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To determine the association between recommended physical activity according to the 2018 physical activity guidelines for Americans and all cause and cause specific mortality using a nationally representative sample of US adults. ⋯ Adults who engage in leisure time aerobic and muscle strengthening activities at levels recommended by the 2018 physical activity guidelines for Americans show greatly reduced risk of all cause and cause specific mortality. These data suggest that the physical activity levels recommended in the guidelines are associated with important survival benefits.