PubMed:32083409 / 354-358
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T61","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2020"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok64","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup9","span":{"begin":0,"end":4},"obj":"year"}],"text":"2020"}