PubMed:32141058 / 467-471
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T72","span":{"begin":0,"end":4},"obj":"DT"}],"text":"both"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok81","span":{"begin":0,"end":4},"obj":"DT"}],"text":"both"}