PubMed:32159237 / 889-893
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T156","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"main"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok164","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"main"}