| 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.com/patents/US5935553?utm_source=gb-gplus-sharePatent US5935553 - Methods of preparing gas-filled liposomesAdvanced Patent SearchPublication numberUS5935553 APublication typeGrantApplication numberUS 08/758,179Publicat
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