PubMed:33119538 / 1448-1551 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T13","span":{"begin":0,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A seemingly unrelated regression model, controlling for several counterfactuals, was used for analysis."}