PubMed:32172546 / 2053-2061
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T306","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"positive"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok339","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"positive"}