PMC:7543426 / 82-147 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":47,"end":55},"obj":"Sentence"},{"id":"T4","span":{"begin":56,"end":64},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Study of Cases With and Without Comorbidities\n\nAbstract\nAbstract\n"}