{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC5510638#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Poultry diseases",
          "Grand Cross of the Order of Civil Merit",
          "Gammacoronaviruses",
          "Kidney",
          "Animal virology",
          "Viral respiratory tract infections",
          "Historical regions"] } } }
