{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC5717091#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Chemical pathology",
          "Companies established in 1978",
          "Antibodies",
          "HIV/AIDS",
          "Clinical research",
          "Glycoproteins"] } } }
