PubMed:32075365 / 236-238
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T43","span":{"begin":0,"end":2},"obj":"CD"}],"text":"26"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok46","span":{"begin":0,"end":2},"obj":"CD"}],"text":"26"}