PMC:7454258 / 356-516 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1595","span":{"begin":97,"end":107},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"},{"id":"T9192","span":{"begin":112,"end":115},"obj":"http://purl.obolibrary.org/obo/PR_000001343"},{"id":"T711","span":{"begin":134,"end":143},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"}],"text":"tional challenges. However, the relevant characteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an objective, informative sum"}

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":19,"end":95},"obj":"Sentence"},{"id":"T8","span":{"begin":97,"end":107},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"tional challenges. However, the relevant characteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an objective, informative sum"}