{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/137300572"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/425446301" ] } },

    { "id" : "http://webisa.webdatacommons.org/425446301"
      "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" : [ "Still another aspect of the present invention is a method for increasing the in vivo half-life of microbubbles, comprising providing a spray dried formulation in combination with a gas osmotic agent that permeates the formulation, and combining the formulation with an aqueous phase to form microbubbles having a half-life in vivo of at least about 20 seconds." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.es"] } } }
