PMC:7454258 / 358-495 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1595","span":{"begin":95,"end":105},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"},{"id":"T9192","span":{"begin":110,"end":113},"obj":"http://purl.obolibrary.org/obo/PR_000001343"}],"text":"onal challenges. However, the relevant characteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an objec"}

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":17,"end":93},"obj":"Sentence"},{"id":"T8","span":{"begin":95,"end":105},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"onal challenges. However, the relevant characteristics of such an effort have been uncertain.\n\nObjectives\nOur aim was to provide an objec"}