PubMed:31994742 / 922-927
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T167","span":{"begin":0,"end":5},"obj":"NN"}],"text":"range"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok190","span":{"begin":0,"end":5},"obj":"NN"}],"text":"range"}