PubMed:32175421 / 676-681
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T120","span":{"begin":0,"end":5},"obj":"NN"}],"text":"phase"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok130","span":{"begin":0,"end":5},"obj":"NN"}],"text":"phase"}