{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/285459281"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "Barrier 146 preferably has a smooth rounded external surface to minimize possible abrasion to a vessel or other tissue and a central opening 148 to allow liquid flow therethrough. [0079] To aid in placement of the catheter at the desired location, a marker band 150 is attached to the outer surface of tubular member 142 at the distal end portion." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/393608261"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/285459281"] } } }
