PubMed:32235486 / 1018-1022 JSON TXT

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{"project":"LitCovid-TimeML","denotations":[{"id":"tok215","span":{"begin":1,"end":2},"obj":"SYM"}],"text":" = 3"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N4","span":{"begin":0,"end":4},"obj":"num"}],"text":" = 3"}