PubMed:32134681 / 824-826
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T129","span":{"begin":0,"end":2},"obj":"CD"}],"text":"62"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok145","span":{"begin":0,"end":2},"obj":"CD"}],"text":"62"}