PubMed:33180431 / 1562-1643 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T14","span":{"begin":0,"end":81},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"When preanalytical sources of errors were investigated no differences were found."}