PubMed:32235486 / 958-962 JSON TXT

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{"project":"LitCovid-TimeML","denotations":[{"id":"tok191","span":{"begin":0,"end":1},"obj":"SYM"}],"text":"= 39"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":4},"obj":"num"}],"text":"= 39"}