PubMed:32171193 / 6-14
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ion of p"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ion of p"}