PubMed:31995857 / 264-268
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T45","span":{"begin":0,"end":4},"obj":"NNS"}],"text":"data"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok52","span":{"begin":0,"end":4},"obj":"NNS"}],"text":"data"}