TY - RPRT TI - Solid-phase extraction versus solid-phase microextraction for the determination of chlorinated paraffins in water using gas chromatography-negative chemical ionisation mass spectrometry. AU - P Castells AU - F J Santos AU - M T Galceran PY - 2004 DO - 10.1016/j.chroma.2003.10.069 UR - https://pubmed.ncbi.nlm.nih.gov/14763799/ ID - 14763799 ER -