
PubMed:32083409 / 1322-1324
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T230","span":{"begin":0,"end":2},"obj":"CD"}],"text":"23"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok257","span":{"begin":0,"end":2},"obj":"CD"}],"text":"23"}