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Kao MC, Wang CM, Chen HZ, Lee MS, Chen YC.Kao MC, et al. Among authors: chen hz, chen yc.IEEE Trans Ultrason Ferroelectr Freq Control. 2003 Aug;50(8):958-64. doi: 10.1109/tuffc.2003.1226539.IEEE Trans Ultrason Ferroelectr Freq Control. 2003.PMID: 12952086
Chen YC, Shih WC, Chang WT, Yang CH, Kao KS, Cheng CC.Chen YC, et al.Nanoscale Res Lett. 2015 Feb 18;10:69. doi: 10.1186/s11671-015-0736-3. eCollection 2015.Nanoscale Res Lett. 2015.PMID: 25852365Free PMC article.