PubMed:32149769 / 1196-1208 JSONTXT

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    LitCovid-PAS-Enju

    {"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T175","span":{"begin":0,"end":12},"obj":"VBN"}],"text":"investigated"}

    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok226","span":{"begin":0,"end":12},"obj":"VBN"},{"id":"event24","span":{"begin":0,"end":12},"obj":"OCCURRENCE"}],"text":"investigated"}