{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC3233434#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Mammals described in 1758",
          "Livestock",
          "Real-time technology",
          "Cosmopolitan vertebrates",
          "Molecular biology",
          "Sheep",
          "Human genes",
          "Taxa named by Carl Linnaeus",
          "Polymerase chain reaction",
          "Genes",
          "Herbivorous mammals",
          "Laboratory techniques",
          "Gene expression"] } } }
