| http://www.w3.org/ns/prov#value | - Gas-filled liposomes prepared by these methods are particularly useful, for example, in ultrasonic imaging applications and in therapeutic drug delivery systems....http://www.google.es/patents/US5469854?utm_source=gb-gplus-sharePatente US5469854 - Methods of preparing gas-filled liposomes B???squeda avanzada de patentes N???mero de publicaci???nUS5469854 ATipo de publicaci???nConcesi???n N???mero
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