PMC:7386785 / 3533-3605
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T98462","span":{"begin":15,"end":16},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"x symptoms had a sensitivity of at least 50% in at least one study: coug"}