PubMed:32061198 / 249-251
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T45","span":{"begin":0,"end":2},"obj":"DT"}],"text":"no"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok51","span":{"begin":0,"end":2},"obj":"DT"},{"id":"lookup6","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"no"}