PubMed:32114747 / 89-97
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T15","span":{"begin":2,"end":5},"obj":"CC"}],"text":"9 and th"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok16","span":{"begin":2,"end":5},"obj":"CC"}],"text":"9 and th"}