PubMed:31996494 / 146-151
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T28","span":{"begin":2,"end":3},"obj":"-RRB-"}],"text":"oV) h"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok38","span":{"begin":2,"end":3},"obj":")"}],"text":"oV) h"}