PMC:7212965 / 28029-28083
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T218","span":{"begin":20,"end":22},"obj":"http://purl.obolibrary.org/obo/CLO_0001302"}],"text":"inclusion strategy, 34 of the 57 studies (60%) reporte"}