TY - RPRT TI - Bio-compatible in-tube solid-phase microextraction capillary for the direct extraction and high-performance liquid chromatographic determination of drugs in human serum. AU - Wayne M Mullett AU - Karsten Levsen AU - Dieter Lubda AU - Janusz Pawliszy PY - 2002 DO - 10.1016/s0021-9673(02)00216-9 UR - https://pubmed.ncbi.nlm.nih.gov/12187987/ ID - 12187987 ER -