PMC:7454258 / 400-496 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1595","span":{"begin":53,"end":63},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"},{"id":"T9192","span":{"begin":68,"end":71},"obj":"http://purl.obolibrary.org/obo/PR_000001343"}],"text":"racteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an object"}

{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":53,"end":63},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"racteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an object"}