{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC4634283#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Influenza",
          "Molecular biology",
          "Orthomyxoviridae",
          "Polymerase chain reaction",
          "Titration",
          "Biochemistry",
          "Laboratory techniques",
          "Real-time technology"] } } }
