PubMed:32113196 / 822-828
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T134","span":{"begin":0,"end":6},"obj":"NN"}],"text":"method"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok142","span":{"begin":0,"end":6},"obj":"NN"}],"text":"method"}