PMC:7796041 / 8603-8764 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T76","span":{"begin":23,"end":136},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"plementary Materials). Due to a high number of missing values, LVEF was omitted from further analyses to ensure reliability of the data.\nTo evaluate the impact o"}