{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC2908874#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Adenoviridae",
          "Atypical pneumonias",
          "Virus families",
          "Paramyxoviridae",
          "Molecular biology",
          "Viral respiratory tract infections",
          "Pediatrics"] } } }
