PubMed:32250385 / 1934-1957
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok382","span":{"begin":0,"end":11},"obj":"JJ"},{"id":"tok383","span":{"begin":12,"end":23},"obj":"NN"}],"text":"noninvasive ventilation"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E3","span":{"begin":0,"end":23},"obj":"entity"}],"text":"noninvasive ventilation"}