title: Ion-exchange high-performance liquid chromatography in drug assay in biological fluids. II. Verapamil.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D002852:Chromatography, Ion Exchange; D006801:Humans; D013058:Mass Spectrometry; D012463:Saliva / Q000032:analysis; D014700:Verapamil / Q000032:analysis* / Q000097:blood / Q000652:urine
chemical_list: D014700:Verapamil