{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC6325799#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Prefecture-level divisions of Zhejiang",
          "Classical genetics",
          "Polymorphism (biology)",
          "Cohort study methods",
          "Huzhou",
          "Cities in Zhejiang",
          "Etiology",
          "Nursing research",
          "National Forest Cities in China",
          "Clinical research",
          "Epidemiology",
          "Pathology"] } } }
