title: Evaluation of solid-phase extraction method for codeine and morphine in urine using Cerex Polycrom Clin II columns and the Speedisk 48 pressure processor at a high-throughput forensic drug-testing laboratory.
authors: Melissa M
authors: MM
authors: Churley
authors: Timothy P
authors: TP
authors: Lyons
authors: Paul V
authors: PV
authors: Robandt
authors: Mark R
authors: MR
authors: Bruins
mesh_terms: D003061:Codeine / Q000652:urine*; D005554:Forensic Medicine / Q000295:instrumentation / Q000379:methods; D006801:Humans; D009020:Morphine / Q000652:urine*; D012015:Reference Standards; D015813:Substance Abuse Detection / Q000295:instrumentation / Q000379:methods
chemical_list: D009020:Morphine; D003061:Codeine