PubMed:32134681 / 2587-2592
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T519","span":{"begin":0,"end":5},"obj":"NN"}],"text":"onset"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok618","span":{"begin":0,"end":5},"obj":"NN"}],"text":"onset"}