PubMed:32055945 / 2155-2163
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T383","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok442","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}