PubMed:32102777 / 202-204
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T34","span":{"begin":0,"end":2},"obj":"CD"}],"text":"16"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok38","span":{"begin":0,"end":2},"obj":"CD"}],"text":"16"}