{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/450423561"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/31052079" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/333825254"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/31052079" ] } },

    { "id" : "http://webisa.webdatacommons.org/31052079"
      "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" : [ "FIGS. 7A and 7B are a plan view and an elevation view, respectively, of a spinal column segment with another embodiment expanded device positioned therein in a lateral approach." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/334275710"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/31052079" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/450406843"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/31052079"] } } }
