PubMed:32217556 / 623-633
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok106","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"tok107","span":{"begin":7,"end":10},"obj":"NN"}],"text":"median age"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E1","span":{"begin":0,"end":10},"obj":"entity"}],"text":"median age"}