PubMed:32118391 / 333-348
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T54","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok59","span":{"begin":0,"end":15},"obj":"NNS"}],"text":"characteristics"}