PubMed:32159237 / 1096-1101
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T195","span":{"begin":0,"end":5},"obj":"IN"}],"text":"while"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok208","span":{"begin":0,"end":5},"obj":"IN"}],"text":"while"}