PubMed:32172226 / 1369-1376
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T218","span":{"begin":0,"end":7},"obj":"JJR"}],"text":"shorter"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok246","span":{"begin":0,"end":7},"obj":"JJR"}],"text":"shorter"}