The tastes described research utilised Levovist (Schering, Germany, Germany), even though various other reports utilized Optison (Amersham Wellbeing, Milwaukee, ', USA) [24], SonoVue (Bracco, Milan, France) [25] or Sonazoid (GE Medical, Oslo, Norway) [16]. These types of providers get diverse substance properties. Levovist, the first-generation realtor, is very vulnerable against traditional force