1. Lumason (sulfur hexafluoride lipid –type A microspheres) for injectable suspension full Perscribing Information. Monoroe Township, N.B.D.I.M.
http://imaging.bracco.com/us-en/products-and-solutions/contrast-enhanced-ultrasound/lumason
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2. Optison (perflutren protein-type A microspheres) for injectable suspension full prescribing information. Malborough MA: GE Healthcare, M.
http://www3.gehealthcare.com/en/products/categories/contrast_media/optison
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3. Definitiy (perflutren protein-type A microspheres) for injectable suspension full prescribing Information, N.B., MA: Lantheus Medical Imaging; April 2013.
http://www.definityimaging.com/main.html
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4. Barr R (2017) How to develop a contrast-enhanced ultrasound program. J Ultrasound Med 36:1225–1240
5. Radmayr C, Klauser A, Pallwein L, et al. (2002) Contrast-enhanced reflux sonography in children: a comparison to standard radiological imaging. J Urol 167(3):1428–1430