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. Author manuscript; available in PMC: 2008 Jun 21.
Published in final edited form as: J Vib Acoust. 2008 Apr;130(2):021010-1–021010-10. doi: 10.1115/1.2827358

Fig. 1.

Fig. 1

Real and imaginary parts of complex wave number for (—) lung parenchyma [16], (– –) soft tissue [15], (- - -) air, and (– - –) polyurethane foam (Flex Foam-IT X)