PubMed:32087820 / 735-738
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T117","span":{"begin":0,"end":3},"obj":"IN"}],"text":"per"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok127","span":{"begin":0,"end":3},"obj":"IN"},{"id":"lookup19","span":{"begin":0,"end":3},"obj":"person_first"}],"text":"per"}