PubMed:32174267 / 422-433
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T70","span":{"begin":0,"end":11},"obj":"JJ"}],"text":"combinative"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok76","span":{"begin":0,"end":11},"obj":"JJ"}],"text":"combinative"}