{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC4529460#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Habit and impulse disorders",
          "Psychiatric diagnosis",
          "Behavioral addiction",
          "Medical manuals",
          "Psychopathy",
          "Gambling and society",
          "Catecholamines"] } } }
