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Chen HS, Chang HT.Chen HS, et al. Among authors: chang ht.J Chromatogr A. 1999 Aug 20;853(1-2):337-47. doi: 10.1016/s0021-9673(99)00380-5.J Chromatogr A. 1999.PMID: 10486740
Hsieh MM, Tseng WL, Chang HT.Hsieh MM, et al. Among authors: chang ht.Electrophoresis. 2000 Aug;21(14):2904-10. doi: 10.1002/1522-2683(20000801)21:14<2904::AID-ELPS2904>3.0.CO;2-C.Electrophoresis. 2000.PMID: 11001302
Tseng WL, Hsieh MM, Wang SJ, Chang HT.Tseng WL, et al. Among authors: chang ht.J Chromatogr A. 2000 Oct 13;894(1-2):219-30. doi: 10.1016/s0021-9673(00)00721-4.J Chromatogr A. 2000.PMID: 11100864
Hsieh MM, Kuo YC, Lyu MJ, Chang HT.Hsieh MM, et al. Among authors: chang ht.J Chromatogr A. 2000 Nov 10;898(1):133-9. doi: 10.1016/s0021-9673(00)00882-7.J Chromatogr A. 2000.PMID: 11185620