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Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2011; 17(1): 28-41
Published online Jan 7, 2011. doi: 10.3748/wjg.v17.i1.28
Figure 2
Figure 2 Resonance frequencies of free (unencapsulated) (solid line) and lipid-encapsulated (dotted line) microbubbles as a function of equilibrium radius.