{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7129480#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Cell communication",
          "Immune system",
          "RTT",
          "Cancer",
          "Cell signaling",
          "EC 3.4",
          "Melanoma",
          "Organelles",
          "Growth factors",
          "Cell anatomy",
          "Metabolism",
          "Posttranslational modification",
          "Systems biology",
          "Cell biology",
          "Human female endocrine system",
          "Medical mnemonics",
          "Membrane biology"] } } }
