PubMed:32096367 / 335-341
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T53","span":{"begin":0,"end":6},"obj":"NN"}],"text":"center"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok60","span":{"begin":0,"end":6},"obj":"NN"}],"text":"center"}