PubMed:32064853 / 394-398
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T69","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2020"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok76","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup14","span":{"begin":0,"end":4},"obj":"year"}],"text":"2020"}