PubMed:32134681 / 2596-2604
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T521","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok620","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"symptoms"}