PubMed:32077659 / 992-1001
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T155","span":{"begin":0,"end":9},"obj":"NN"}],"text":"elevation"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok165","span":{"begin":0,"end":9},"obj":"NN"}],"text":"elevation"}