PMC:7060038 / 5221-5314
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T20","span":{"begin":92,"end":93},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"sibility that subclinical cases may be common.\nNext, we assess the overall effectiveness of a"}