Shauna Dudley-Javoroski, Tara McMullen, Michelle R. Borgwardt, Lauren M. Peranich, Richard K. Shields
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Author manuscript; available in PMC 2011 October 1.Published in final edited form as: Ultrasound Med Biol. 2010 October; 36(10): 1594–1607. doi: 10.1016/j.ultrasmedbio.2010.07.019