PMC:7386785 / 3984-4037
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T16505","span":{"begin":5,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ried a high risk of bias for selection of participant"}