title: Determination of proxyphylline and dyphylline in capillary blood samples by means of electron capture gas chromatography.
mesh_terms: D002849:Chromatography, Gas; D006801:Humans; D013806:Theophylline / Q000031:analogs & derivatives* / Q000097:blood*
chemical_list: C003237:proxyphylline; D013806:Theophylline