| [Determination of 9 cephalosporin drug residues in beef by ultra performanceliquid chromatography-tandem mass spectrometry]. | Se Pu | 2009 Jul | 19938495 |
| [Determination of pyriproxyfen residue in vegetables and fruits by liquidchromatography-tandem mass spectrometry]. | Se Pu | 2009 Jul | 19938496 |
| [Determination of 107 pesticide residues in vegetables using off-line dispersive solid-phase extraction and gas chromatography-tandem mass spectrometry]. | Se Pu | 2009 Jul | 19938491 |
| Assay of florfenicol in swine feed: interlaboratory study. | J AOAC Int | 2009 Jan-Feb | 19382592 |
| Dispersive liquid-liquid microextraction followed by high-performance liquidchromatography as an efficient and sensitive technique for simultaneousdetermination of chloramphenicol and thiamphenicol in honey. | Anal Chim Acta | 2009 Jan 19 | 19100885 |
| Desorption electrospray ionization mass spectrometry for trace analysis of agrochemicals in food. | Anal Chem | 2009 Jan 15 | 19090743 |
| Simultaneous determination of azaperone and azaperol in animal tissues by HPLCwith confirmation by electrospray ionization mass spectrometry. | J Chromatogr B Analyt Technol Biomed Life Sci | 2009 Jan 15 | 19111512 |
| Determination of sterigmatocystin in cheese by high-performance liquid chromatography-tandem mass spectrometry. | Food Addit Contam Part A Chem Anal Control Expo Risk Assess | 2009 Jan | 19680880 |
| Purification of patulin from Penicillium expansum culture: high-speed counter-current chromatography (HSCCC) versus preparative high-performance liquid chromatography (prep-HPLC). | Food Addit Contam Part A Chem Anal Control Expo Risk Assess | 2009 Jan | 19680877 |
| [Determination of bifenthrin residue in plant-based foods using gaschromatography-mass spectrometry]. | Se Pu | 2009 Jan | 19449547 |