PubMed:32074786 / 1993-1999
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T300","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"simple"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok325","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"simple"}