PubMed:32134681 / 651-658
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T103","span":{"begin":0,"end":7},"obj":"VB"}],"text":"compare"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok115","span":{"begin":0,"end":7},"obj":"VB"}],"text":"compare"}