PubMed:32156607 / 1124-1126
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T186","span":{"begin":0,"end":2},"obj":"CD"}],"text":"38"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok197","span":{"begin":0,"end":2},"obj":"CD"}],"text":"38"}