PubMed:32061200 / 42-50
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":3,"end":7},"obj":"CD"}],"text":"th 2019 "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":3,"end":7},"obj":"CD"},{"id":"lookup2","span":{"begin":3,"end":7},"obj":"year"}],"text":"th 2019 "}