PubMed:32125131 / 65-73
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T11","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok13","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}