title: GLC determination of theophylline in biological fluids.
mesh_terms: D001463:Barbiturates / Q000032:analysis; D002849:Chromatography, Gas; D007202:Indicators and Reagents; D008722:Methods; D000644:Quaternary Ammonium Compounds / Q000138:chemical synthesis; D012463:Saliva / Q000032:analysis; D012997:Solvents; D013056:Spectrophotometry, Ultraviolet; D013805:Theobromine / Q000032:analysis; D013806:Theophylline / Q000032:analysis* / Q000097:blood; D014527:Uric Acid / Q000032:analysis; D014970:Xanthines / Q000032:analysis
chemical_list: D001463:Barbiturates; D007202:Indicators and Reagents; D000644:Quaternary Ammonium Compounds; D012997:Solvents; D014970:Xanthines; D014527:Uric Acid; D013806:Theophylline; D013805:Theobromine