PMC:7795804 / 16058-16224 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T97","span":{"begin":29,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ive nor completely negative. It is plausible that some of these mixed changes, upon further investigation, could be reclassified as worse. In fact, the association be"}