PubMed:31995857 / 1447-1455
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T269","span":{"begin":0,"end":8},"obj":"NN"}],"text":"evidence"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok306","span":{"begin":0,"end":8},"obj":"NN"}],"text":"evidence"}