PubMed:32023684 / 132-140
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T22","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"sporadic"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok24","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"sporadic"}