PubMed:32110742 / 222-226
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T36","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2019"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok38","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup14","span":{"begin":0,"end":4},"obj":"year"}],"text":"2019"}