PMC:7003341 / 5644-5761
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T12","span":{"begin":50,"end":51},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" then its quality should be assessed. If there is a lack of higher-level quality evidence, our panel considered obser"}