TY - SER AU - Wu,Yunli AU - Hu,Bin TI - Simultaneous determination of several phytohormones in natural coconut juice by hollow fiber-based liquid-liquid-liquid microextraction - high performance liquid cromatography N1 - YA2010 M04 ISSN - 0021-9673 Sources - Journal of Chromatography A Sources - 1216 (45) 2009 : 7657-7663 ER -