PubMed:32074786 / 1090-1096
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T170","span":{"begin":0,"end":6},"obj":"NN"}],"text":"center"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok181","span":{"begin":0,"end":6},"obj":"NN"}],"text":"center"}