PMC:7075079 / 398-535
Annnotations
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."}