PubMed:32164424 / 233-238
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T36","span":{"begin":0,"end":5},"obj":"CD"}],"text":"77662"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok40","span":{"begin":0,"end":5},"obj":"CD"}],"text":"77662"}