{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7295500#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Neonatology",
          "Babycare",
          "Infancy",
          "Hospital departments",
          "Trade unions",
          "Nursing",
          "Intensive care medicine",
          "Economic globalization"] } } }
