PMC:7075079 / 398-535 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":38,"end":39},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Structural equation modeling (SEM) is a multivariate analysis method to determine the structural relationship between measured variables."}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T5","span":{"begin":0,"end":137},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Structural equation modeling (SEM) is a multivariate analysis method to determine the structural relationship between measured variables."}