PMC:7441788 / 17557-17731 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T180","span":{"begin":140,"end":145},"obj":"http://purl.obolibrary.org/obo/CLO_0007225"}],"text":"roups. Nonrandomized design; In propensity score model, four possible important prognostic variables were unbalanced.\nTang et al [54]. Open label, randomized controlled trial"}

    LitCovid-PD-CHEBI

    {"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T226","span":{"begin":140,"end":145},"obj":"Chemical"}],"attributes":[{"id":"A226","pred":"chebi_id","subj":"T226","obj":"http://purl.obolibrary.org/obo/CHEBI_35209"}],"text":"roups. Nonrandomized design; In propensity score model, four possible important prognostic variables were unbalanced.\nTang et al [54]. Open label, randomized controlled trial"}

    LitCovid-sample-sentences

    {"project":"LitCovid-sample-sentences","denotations":[{"id":"T130","span":{"begin":7,"end":117},"obj":"Sentence"},{"id":"T131","span":{"begin":118,"end":134},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"roups. Nonrandomized design; In propensity score model, four possible important prognostic variables were unbalanced.\nTang et al [54]. Open label, randomized controlled trial"}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T130","span":{"begin":7,"end":117},"obj":"Sentence"},{"id":"T131","span":{"begin":118,"end":134},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"roups. Nonrandomized design; In propensity score model, four possible important prognostic variables were unbalanced.\nTang et al [54]. Open label, randomized controlled trial"}

    2_test

    {"project":"2_test","denotations":[{"id":"32496926-32409561-132195703","span":{"begin":130,"end":132},"obj":"32409561"}],"text":"roups. Nonrandomized design; In propensity score model, four possible important prognostic variables were unbalanced.\nTang et al [54]. Open label, randomized controlled trial"}