PMC:7386785 / 126328-126397 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T1601","span":{"begin":0,"end":69},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Could the selection of patients have introduced bias?   Low risk  "}

    LitCovid-PubTator

    {"project":"LitCovid-PubTator","denotations":[{"id":"2187","span":{"begin":23,"end":31},"obj":"Species"}],"attributes":[{"id":"A2187","pred":"tao:has_database_id","subj":"2187","obj":"Tax:9606"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"Could the selection of patients have introduced bias?   Low risk  "}