PubMed:32064853 / 782-785
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T137","span":{"begin":0,"end":3},"obj":"CD"}],"text":"672"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok146","span":{"begin":0,"end":3},"obj":"CD"}],"text":"672"}