PubMed:32108351 / 1101-1109
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T183","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok219","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}