PMC:7650537 / 606-691
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":81,"end":85},"obj":"http://purl.obolibrary.org/obo/CLO_0001185"}],"text":".9% had neutralizing antibodies (\u003e1:10). Stored sera collected during the summer 2018"}