PubMed:32031570 / 851-855
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T136","span":{"begin":0,"end":4},"obj":"NNS"}],"text":"data"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok147","span":{"begin":0,"end":4},"obj":"NNS"}],"text":"data"}