TY - GEN AU - Wernly,P AU - Thormann,W TI - Drug of abuse confirmation in human urine using stepwise solid-phase extraction and micellar electrokinetic capillary chromatography SN - 0003-2700 PY - 1992///1106 KW - Chromatography KW - methods KW - Electrophoresis KW - Humans KW - Illicit Drugs KW - urine KW - Substance Abuse Detection N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1021/ac00042a022 ER -