PMC:7796329 / 411-648 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":13,"end":215},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"cy theories. Because previous studies have emphasized only specific political, psychological, or structural factors or variables, this study constructs an integrated analytical model that includes all three factors. We analyze data from "}