PubMed:32209890 / 2402-2405
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok708","span":{"begin":1,"end":2},"obj":"NNP"},{"id":"tok709","span":{"begin":2,"end":3},"obj":"NN"}],"text":" U/"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U3","span":{"begin":0,"end":3},"obj":"unit"}],"text":" U/"}