{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7236587#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Battles of World War I involving Russia",
          "Battles of the Eastern Front (World War I)",
          "1914 in the Russian Empire",
          "Infectious diseases",
          "1914 in Germany",
          "Epidemiology",
          "East Prussia",
          "Quarantine",
          "Epidemics",
          "Conflicts in 1914",
          "Medical hygiene",
          "August 1914 events",
          "Battles of World War I involving Germany"] } } }
