PubMed:31967321 / 820-824
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T127","span":{"begin":0,"end":4},"obj":"IN"}],"text":"from"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok136","span":{"begin":0,"end":4},"obj":"IN"}],"text":"from"}