PubMed:32102777 / 3-8
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":1,"end":5},"obj":"CD"}],"text":" 2019"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":1,"end":5},"obj":"CD"},{"id":"lookup1","span":{"begin":1,"end":5},"obj":"year"}],"text":" 2019"}