PubMed:32118389 / 1504-1509
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T297","span":{"begin":0,"end":5},"obj":"IN"}],"text":"while"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok319","span":{"begin":0,"end":5},"obj":"IN"}],"text":"while"}