PubMed:32118639 / 3389-3397
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T576","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"compared"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok685","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"compared"}