PubMed:32164424 / 633-646
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T95","span":{"begin":0,"end":13},"obj":"RB"}],"text":"approximately"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok107","span":{"begin":0,"end":13},"obj":"RB"}],"text":"approximately"}