PubMed:32055945 / 208-223
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T38","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok42","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}