PubMed:32235387 / 117-124
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok20","span":{"begin":0,"end":2},"obj":"IN"},{"id":"tok21","span":{"begin":3,"end":4},"obj":"DT"},{"id":"lookup3","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"by a no"}