PubMed:32077115 / 741-744
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T116","span":{"begin":0,"end":3},"obj":"DT"}],"text":"All"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok134","span":{"begin":0,"end":3},"obj":"DT"}],"text":"All"}