{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC3438601#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Cell adhesion proteins",
          "Genetics",
          "Peptides",
          "Cytoskeleton",
          "Muscular dystrophy",
          "Nucleic acids"] } } }
