PMC:7210464 / 405-616 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7210464","sourcedb":"PMC","sourceid":"7210464","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7210464","text":" characteristics 2 weeks prior are used as instrumental variables for causal inference. Stringent quarantines, city lockdowns, and local public health measures imposed in late January significantly decreased the","tracks":[{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":43,"end":55},"obj":"http://purl.obolibrary.org/obo/OBI_0000968"}],"attributes":[{"subj":"T1","pred":"source","obj":"LitCovid-PD-CLO"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"LitCovid-PD-CLO","color":"#ec93d8","default":true}]}]}}