PubMed:32170017 / 1415-1417
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T262","span":{"begin":0,"end":2},"obj":"IN"}],"text":"by"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok287","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup44","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"by"}