PubMed:31994742 / 1507-1516
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T282","span":{"begin":0,"end":9},"obj":"NN"}],"text":"attention"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok336","span":{"begin":0,"end":9},"obj":"NN"}],"text":"attention"}