PubMed:32141569 / 564-573
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T100","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"sequences"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok115","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"sequences"}