{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7159344#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Branches of immunology",
          "Depression (mood)",
          "Mood disorders",
          "Psychiatric diagnosis",
          "Medical genetics",
          "RTT",
          "Bipolar disorder",
          "RTTNEURO"] } } }
