PMC:7195088 / 32857-32950 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T443","span":{"begin":58,"end":64},"obj":"Chemical"}],"attributes":[{"id":"A443","pred":"chebi_id","subj":"T443","obj":"http://purl.obolibrary.org/obo/CHEBI_25805"}],"text":"Primary endpoint: time to independence from supplementary oxygen therapy (follow-up 28 days)."}

{"project":"LitCovid-sentences","denotations":[{"id":"T263","span":{"begin":0,"end":93},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Primary endpoint: time to independence from supplementary oxygen therapy (follow-up 28 days)."}