PubMed:32217556 / 1889-1892 JSON TXT

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{"project":"LitCovid-TimeML","denotations":[{"id":"tok392","span":{"begin":1,"end":2},"obj":"("}],"text":" (1"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":3},"obj":"num"}],"text":" (1"}