title: Gas-liquid chromatographic determination of acephylline in urine.
mesh_terms: D000284:Administration, Oral; D002849:Chromatography, Gas / Q000379:methods; D006801:Humans; D007275:Injections, Intravenous; D008832:Microchemistry; D013806:Theophylline / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000652:urine
chemical_list: D013806:Theophylline; C019140:acefylline