PubMed:32062875 / 59-67
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T8","span":{"begin":1,"end":3},"obj":"CD"}],"text":" 34 chil"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok9","span":{"begin":1,"end":3},"obj":"CD"}],"text":" 34 chil"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":1,"end":3},"obj":"http://purl.obolibrary.org/obo/CLO_0001302"}],"text":" 34 chil"}