{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7359047#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Ergogenic aids",
          "Political terminology",
          "Veins",
          "Adenosine receptor agonists",
          "Elections",
          "Exercise physiology",
          "Neurotransmitters",
          "Purinergic signalling",
          "Medical treatments",
          "Cellular respiration",
          "Protein kinase inhibitors",
          "Injection (medicine)",
          "Phosphate esters",
          "Group processes",
          "Intravenous fluids",
          "Purines",
          "Dosage forms",
          "Nucleotides",
          "Coenzymes"] } } }
