PMC:7212965 / 12867-12910
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T86","span":{"begin":10,"end":11},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"then made a judgment of high or low risk of"}