PubMed:32062875 / 36-57
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T6","span":{"begin":5,"end":20},"obj":"NNS"}],"text":"ical characteristics "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok7","span":{"begin":5,"end":20},"obj":"NNS"}],"text":"ical characteristics "}