
PubMed:32149773 / 2008-2016
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T318","span":{"begin":0,"end":8},"obj":"NN"}],"text":"evidence"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok346","span":{"begin":0,"end":8},"obj":"NN"}],"text":"evidence"}