PubMed:32176772 / 1129-1132
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T242","span":{"begin":0,"end":3},"obj":"DT"}],"text":"All"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok281","span":{"begin":0,"end":3},"obj":"DT"}],"text":"All"}