PubMed:32149769 / 2070-2072
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T321","span":{"begin":0,"end":2},"obj":"DT"}],"text":"no"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok431","span":{"begin":0,"end":2},"obj":"DT"},{"id":"lookup50","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"no"}