{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC4752298#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "DNA profiling techniques",
          "Molecular biology",
          "American inventions",
          "Laboratory equipment",
          "Biotechnology",
          "Molecular biology techniques",
          "Polymerase chain reaction",
          "Hoffmann-La Roche",
          "Amplifiers",
          "Laboratory techniques",
          "Epidemiology",
          "Infectious diseases"] } } }
