PubMed:32077659 / 275-286
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T43","span":{"begin":0,"end":11},"obj":"NN"}],"text":"correlation"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok46","span":{"begin":0,"end":11},"obj":"NN"}],"text":"correlation"}