PubMed:32031570 / 1498-1506
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T247","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok271","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}