00389nam a2200121Ia 4500008004100000245012600041260001700167260000900184300000900193650002300202650001200225856003000237170516s9999    xx            000 0 und d  aPhase-Change Nanoparticles Using Highly Volatile Perfluorocarbons: Toward a Platform for Extravascular Ultrasound Imaging  bTheranostics  c2012  a2:12  xMedical Technology  xMedtech  uhttp://www.thno.org/v2i12