| http://www.w3.org/ns/prov#value | - for ultrasound contrast enhancementUS671641221 Mar 20016 Abr 2004Imarx Therapeutics, Inc.Methods of ultrasound treatment using gas or gaseous precursor-filled compositionsUS67233036 Jun 199520 Abr 2004Amersham Health, AsUltrasound contrast agents including protein stabilized microspheres of perfluoropropane, perfluorobutane or perfluoropentaneUS674377929 Abr 19971 Jun 2004Imarx Pharmaceutical Corp
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