PubMed:32141570 / 1931-1939
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T316","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"compared"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok356","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"compared"}