PubMed:32074786 / 2858-2865
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T424","span":{"begin":0,"end":7},"obj":"NN"}],"text":"surgery"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok455","span":{"begin":0,"end":7},"obj":"NN"}],"text":"surgery"}