PubMed:32149769 / 457-461
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T66","span":{"begin":0,"end":4},"obj":"VBZ"}],"text":"aims"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok84","span":{"begin":0,"end":4},"obj":"VBZ"}],"text":"aims"}