PMC:7560808 / 12587-12687 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T132","span":{"begin":0,"end":100},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Authors Contributions: K.S., P.A.G., B.S., T.W., H.H., M.M.H., and S.D. obtained retrospective data."}