PubMed:32064855 / 1229-1237
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T231","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"positive"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok241","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"positive"}