PMC:7536903 / 5520-5591 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T49","span":{"begin":0,"end":71},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Risk factor screening script use: at referral and prior to every visit."}