
PubMed:32149773 / 979-981
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T149","span":{"begin":0,"end":2},"obj":"CD"}],"text":"48"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok163","span":{"begin":0,"end":2},"obj":"CD"}],"text":"48"}