{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC6599111#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "American inventions",
          "Biotechnology",
          "Protein complexes",
          "Circoviridae",
          "Virus genera",
          "Molecular biology",
          "Virology",
          "Molecular genetics",
          "Immunology",
          "Synthetic biology",
          "1972 in biotechnology",
          "Immune system",
          "Vaccination"] } } }
