title: Therapeutic drug monitoring using high-speed liquid chromatography and rapid sample preparation: an assay for serum theophylline.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D006801:Humans; D007124:Immunoenzyme Techniques; D013056:Spectrophotometry, Ultraviolet; D013806:Theophylline / Q000097:blood*; D014970:Xanthines / Q000032:analysis
chemical_list: D014970:Xanthines; D013806:Theophylline