PubMed:32172546 / 230-232
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T34","span":{"begin":0,"end":2},"obj":"IN"}],"text":"by"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok40","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup5","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"by"}