PubMed:32031570 / 2453-2460
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T471","span":{"begin":0,"end":7},"obj":"NN"}],"text":"symptom"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok552","span":{"begin":0,"end":7},"obj":"NN"}],"text":"symptom"}