PubMed:32171865 / 64-70
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T11","span":{"begin":2,"end":4},"obj":"IN"}],"text":"s on P"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok13","span":{"begin":2,"end":4},"obj":"IN"}],"text":"s on P"}