PubMed:32031570 / 57-66
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T7","span":{"begin":2,"end":6},"obj":"CD"}],"text":"h 2019 No"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok8","span":{"begin":2,"end":6},"obj":"CD"},{"id":"lookup2","span":{"begin":2,"end":6},"obj":"year"}],"text":"h 2019 No"}