PubMed:32027573 / 1622-1626
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T326","span":{"begin":0,"end":4},"obj":"IN"}],"text":"than"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok355","span":{"begin":0,"end":4},"obj":"IN"}],"text":"than"}