PubMed:32171865 / 673-681
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T104","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"Compared"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok113","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"Compared"}