PubMed:32118389 / 1547-1555
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T307","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok330","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}