PubMed:32114747 / 572-583
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T91","span":{"begin":0,"end":11},"obj":"NN"}],"text":"transfusion"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok99","span":{"begin":0,"end":11},"obj":"NN"}],"text":"transfusion"}