TY - RPRT TI - Solid-phase extraction method with high-performance liquid chromatography and electrochemical detection for the quantitative analysis of oxycodone in human plasma. AU - A W Wright AU - J A Lawrence AU - M Iu AU - T Cramond AU - M T Smith PY - 1998 DO - 10.1016/s0378-4347(98)00146-7 UR - https://pubmed.ncbi.nlm.nih.gov/9698239/ ID - 9698239 ER -