PubMed:32150360 / 1890-1894
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T321","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2020"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok351","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup79","span":{"begin":0,"end":4},"obj":"year"}],"text":"2020"}