PubMed:32062957 / 4-25
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":6,"end":21},"obj":"NNS"}],"text":"nical characteristics"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":6,"end":21},"obj":"NNS"}],"text":"nical characteristics"}