{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC4976580#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Health effects of tobacco",
          "Causes of death",
          "Intensive care medicine",
          "Optical components",
          "Human anatomy by organ",
          "Medical emergencies",
          "Laboratory glassware",
          "Glass types",
          "RTT(full)",
          "Organ failure",
          "Respiratory diseases",
          "Lung cancer",
          "Lung",
          "Photography equipment"] } } }
