title: High-performance liquid chromatographic determination of dextrorphan and 3-hydroxymorphinan in human plasma based on a selective pre-column sample clean-up.
authors: Pharm-Analyt, Vienna, Austria.
authors: H
authors: H
authors: Mascher
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D003915:Dextromethorphan / Q000031:analogs & derivatives* / Q000097:blood; D003917:Dextrorphan / Q000097:blood*; D006801:Humans; D006868:Hydrolysis; D007981:Levorphanol / Q000031:analogs & derivatives*; D009019:Morphinans / Q000097:blood*
chemical_list: D009019:Morphinans; D003917:Dextrorphan; D007981:Levorphanol; D003915:Dextromethorphan; C054116:norlevorphanol