PubMed:32156607 / 704-710
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T114","span":{"begin":0,"end":6},"obj":"NN"}],"text":"method"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok119","span":{"begin":0,"end":6},"obj":"NN"}],"text":"method"}