@misc{indiciaea7601c3da61d, title = {Application of single-drop microextraction and comparison with solid-phase microextraction and solid-phase extraction for the determination of alpha- and beta-endosulfan in water samples by gas chromatography-electron-capture detection.}, author = {M C López-Blanco and S Blanco-Cid and B Cancho-Grande and J Simal-Gándara}, year = {2003}, doi = {10.1016/s0021-9673(02)01873-3}, url = {https://pubmed.ncbi.nlm.nih.gov/12564696/}, note = {Source identifier: 12564696} }