PubMed:32134681 / 608-613
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T95","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"signs"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok105","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"signs"}