PubMed:32134681 / 1613-1618
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T285","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"zones"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok337","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"zones"}