PubMed:32061198 / 138-141
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T25","span":{"begin":0,"end":2},"obj":"IN"}],"text":"by "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok29","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup2","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"by "}