PubMed:32181672 / 1288-1290
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok277","span":{"begin":0,"end":2},"obj":"CD"}],"text":"41"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T6","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0053794"}],"text":"41"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N4","span":{"begin":0,"end":2},"obj":"num"}],"text":"41"}