PubMed:32150360 / 4540-4547
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T766","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"regions"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok834","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"regions"}