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Cannata JM, Williams JA, Zhou Q, Ritter TA, Shung KK.Cannata JM, et al.IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Jan;53(1):224-36. doi: 10.1109/tuffc.2006.1588408.IEEE Trans Ultrason Ferroelectr Freq Control. 2006.PMID: 16471449
Hu CH, Liu R, Zhou Q, Yen J, Kirk Shung K.Hu CH, et al.Ultrasonics. 2006 Jul;44(3):330-6. doi: 10.1016/j.ultras.2006.04.002. Epub 2006 May 3.Ultrasonics. 2006.PMID: 16714042