PubMed:32141569 / 843-850
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T144","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"regions"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok163","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"regions"}