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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

1 passage

abstractpubmed· Abstract 2020· item PMID:32463427

Using Controlled Trials to Resolve Key Unknowns About Policy During the COVID-19 Pandemic. Topics: Betacoronavirus, Coronavirus Infections, Health Policy, Pandemics, Pneumonia, Viral, Quarantine, Schools