{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7166780#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Italian football First Division clubs",
          "Diketones",
          "Populated places on Lake Ontario in Canada",
          "Viral diseases",
          "Betaherpesvirinae"] } } }
