PubMed:32133830 / 450-465
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T73","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok78","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}