TY - RPRT TI - Off-line high-performance liquid chromatography and solid-phase extraction clean-up for confirmation of pesticide residues in fresh produce by gas chromatography-mass spectrometry. AU - K C Ting AU - G S Tamashiro PY - 1996 DO - 10.1016/s0021-9673(96)00374-3 UR - https://pubmed.ncbi.nlm.nih.gov/8997737/ ID - 8997737 ER -