PubMed:32118390 / 777-785
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok164","span":{"begin":0,"end":4},"obj":"JJ"},{"id":"tok165","span":{"begin":5,"end":8},"obj":"NN"}],"text":"mean age"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E2","span":{"begin":0,"end":8},"obj":"entity"}],"text":"mean age"}