PubMed:32083638 / 646-658
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T95","span":{"begin":0,"end":12},"obj":"NNS"}],"text":"efficiencies"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok114","span":{"begin":0,"end":12},"obj":"NNS"}],"text":"efficiencies"}