PMC:7210464 / 466-622
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T2","span":{"begin":151,"end":156},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"bles for causal inference. Stringent quarantines, city lockdowns, and local public health measures imposed in late January significantly decreased the virus"}