PubMed:31994742 / 1076-1081
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T201","span":{"begin":0,"end":5},"obj":"NN"}],"text":"range"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok234","span":{"begin":0,"end":5},"obj":"NN"}],"text":"range"}