PubMed:32074786 / 2852-2857
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T423","span":{"begin":0,"end":5},"obj":"NN"}],"text":"tract"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok454","span":{"begin":0,"end":5},"obj":"NN"}],"text":"tract"}