PubMed:32147628 / 106-113
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T17","span":{"begin":4,"end":7},"obj":"CC"}],"text":"019 and"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok21","span":{"begin":4,"end":7},"obj":"CC"}],"text":"019 and"}