{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/264974471"
      "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" : [ "In another aspect of the present invention there is a method of making a surface hardened medical implant comprising the steps of: forming said medical implant of zirconium or zirconium alloy; oxidizing or nitriding said implant at a temperature of from 500??? C. to 700??? C. to form at least a 2 micron thick oxide or nitride; and, thereafter treating said implant under vacuum or inert gas at a te" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/137300572"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/264974471"] } } }
