PubMed:32212512 / 1926-1935 JSONTXT

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    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok324","span":{"begin":0,"end":9},"obj":"VBN"},{"id":"event15","span":{"begin":0,"end":9},"obj":"OCCURRENCE"}],"text":"developed"}