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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T5","span":{"begin":0,"end":6},"obj":"Sentence"},{"id":"T6","span":{"begin":7,"end":46},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Design\nProspective observational cohort study."}