PMC:7589389 / 55474-55550
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T231","span":{"begin":38,"end":39},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Return on assets in 2019, measured as a ratio of net income to total assets;"}