PubMed:32125131 / 967-972
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T205","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"signs"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok237","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"signs"}