PubMed:33180431 / 908-967 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T5","span":{"begin":9,"end":10},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"This was a single center, data mining, retrospective study."}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T9","span":{"begin":0,"end":59},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This was a single center, data mining, retrospective study."}