PubMed:31996494 / 691-704
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T117","span":{"begin":0,"end":13},"obj":"NN"}],"text":"understanding"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok131","span":{"begin":0,"end":13},"obj":"NN"}],"text":"understanding"}