PubMed:32164424 / 205-207
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T30","span":{"begin":0,"end":2},"obj":"CD"}],"text":"22"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok34","span":{"begin":0,"end":2},"obj":"CD"}],"text":"22"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0050507"}],"text":"22"}