PubMed:32062957 / 27-32
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T4","span":{"begin":2,"end":4},"obj":"CD"}],"text":"f 30 "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok5","span":{"begin":2,"end":4},"obj":"CD"}],"text":"f 30 "}