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    { "id" : "http://ns.inria.fr/covid19/PMC7151840#title"
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        "http://purl.org/dc/terms/subject" : [ "Ethics",
          "Codes of conduct",
          "American Psychological Association" ] ,
        "http://purl.org/vocab/frbr/core#partOf" : [ "http://ns.inria.fr/covid19/PMC7151840"] } } }
