PubMed:32102777 / 550-558
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T94","span":{"begin":0,"end":8},"obj":"VBZ"}],"text":"features"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok117","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"features"}