PubMed:32188728 / 557-561 JSONTXT

Annnotations TAB JSON ListView MergeView

    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok91","span":{"begin":0,"end":4},"obj":"VBD"},{"id":"event31","span":{"begin":0,"end":4},"obj":"OCCURRENCE"}],"text":"used"}