TY - SER AU - Yi,Xionghai AU - Hua,Qing AU - Lu,Yitong TI - Determination of organophosphorus pesticide residues in the roots of Platy codon grandiflorum by solid-phase extraction and gas chromatography with flame photometric detection N1 - YA2006 M09 D01 Sources - Journal of AOAC International Sources - 89 (1) 2006 : 214-224 ISSN - 1060-3271 ER -