PubMed:32006657 / 153-157
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T27","span":{"begin":0,"end":4},"obj":"IN"}],"text":"from"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok32","span":{"begin":0,"end":4},"obj":"IN"}],"text":"from"}