PubMed:32134681 / 2024-2026
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T382","span":{"begin":0,"end":2},"obj":"CD"}],"text":"39"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok456","span":{"begin":0,"end":2},"obj":"CD"}],"text":"39"}