PubMed:32074786 / 2110-2117
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T319","span":{"begin":0,"end":7},"obj":"NN"}],"text":"surgery"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok344","span":{"begin":0,"end":7},"obj":"NN"}],"text":"surgery"}