PubMed:32133830 / 1140-1144
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T200","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2020"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok226","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup26","span":{"begin":0,"end":4},"obj":"year"}],"text":"2020"}