PubMed:32134681 / 3070-3074
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T596","span":{"begin":0,"end":4},"obj":"CC"}],"text":"both"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok700","span":{"begin":0,"end":4},"obj":"DT"}],"text":"both"}