PubMed:32150618 / 40-46
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T6","span":{"begin":3,"end":5},"obj":"IN"}],"text":"on of "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok7","span":{"begin":3,"end":5},"obj":"IN"}],"text":"on of "}