{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7314200#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Medical emergencies",
          "Occupational safety and health",
          "Amino acid metabolism disorders",
          "Causes of death",
          "Kidney diseases",
          "Syndromes",
          "Viral respiratory tract infections",
          "Organ failure",
          "Zoonoses",
          "COVID-19"] } } }
