PubMed:32133152 / 2240-2242
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T336","span":{"begin":0,"end":2},"obj":"DT"}],"text":"an"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok393","span":{"begin":0,"end":2},"obj":"DT"},{"id":"lookup65","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"an"}