{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/133011817"
      "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" : [ "However, some patients may wish to avoid conventional surgery or, in some cases, may be too ill to undergo surgery due to other conditions such as emphysema, vascular disease and/or heart disease." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "massgeneral.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/350908071"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/133011817"] } } }
