TY - RPRT TI - Solid-phase microextraction in pesticide residue analysis. AU - J Beltran AU - F J López AU - F Hernández PY - 2000 DO - 10.1016/s0021-9673(00)00142-4 UR - https://pubmed.ncbi.nlm.nih.gov/10941686/ ID - 10941686 ER -