PubMed:32170017 / 439-447
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T74","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"measures"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok80","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"measures"}