PubMed:32167166 / 948-953
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T157","span":{"begin":0,"end":5},"obj":"IN"}],"text":"While"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok177","span":{"begin":0,"end":5},"obj":"IN"}],"text":"While"}