PubMed:32031570 / 2280-2284
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T427","span":{"begin":0,"end":4},"obj":"NN"}],"text":"unit"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok501","span":{"begin":0,"end":4},"obj":"NN"}],"text":"unit"}