PubMed:32150618 / 1580-1583
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T237","span":{"begin":0,"end":3},"obj":"CD"}],"text":"200"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok263","span":{"begin":0,"end":3},"obj":"CD"}],"text":"200"}