TY - RPRT TI - Solid-phase microextraction versus single-drop microextraction for the analysis of nitroaromatic explosives in water samples. AU - E Psillakis AU - N Kalogerakis PY - 2001 DO - 10.1016/s0021-9673(01)01417-0 UR - https://pubmed.ncbi.nlm.nih.gov/11771829/ ID - 11771829 ER -