PubMed:31986264 / 1737-1739
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T329","span":{"begin":0,"end":2},"obj":"CD"}],"text":"38"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok359","span":{"begin":0,"end":2},"obj":"CD"}],"text":"38"}