title: A simple, rapid micromethod for dyphylline.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D006801:Humans; D013056:Spectrophotometry, Ultraviolet / Q000379:methods; D013806:Theophylline / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D013806:Theophylline