PubMed:32134681 / 1572-1578
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T272","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"middle"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok316","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"middle"}