PubMed:32125873 / 1679-1687
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T309","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok355","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}