PubMed:32102777 / 1148-1151
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T181","span":{"begin":0,"end":3},"obj":"DT"}],"text":"all"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok206","span":{"begin":0,"end":3},"obj":"DT"}],"text":"all"}