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. Author manuscript; available in PMC: 2013 May 30.
Published in final edited form as: Ultrason Imaging. 2012 Oct;34(4):209–221. doi: 10.1177/0161734612464451

Table 1.

Composition of Layered Phantoms

Const-α
 Const-BSC
Layer 1 Layer 2 Layer 3 Layer 1 Layer 2 Layer 3
Scatterer concentration (g/L) 2 8 2 4 4 4
Volume ratio of molten gelatin to ultrafiltered milk 2.1:1 2.1:1 2.1:1 2.85:1 1:1 2.85:1

Const-α = constant attenuation; Const-BSC = constant backscatter.