{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7152742#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Zoonoses",
          "COVID-19",
          "Physical chemistry",
          "Lists of countries",
          "2020 BWF World Tour"] } } }
