PubMed:32077115 / 619-632
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T91","span":{"begin":0,"end":13},"obj":"RB"}],"text":"approximately"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok102","span":{"begin":0,"end":13},"obj":"RB"}],"text":"approximately"}