title: Gas-chromatographic determination of theophylline in human serum and saliva.
mesh_terms: D001249:Asthma / Q000188:drug therapy; D002648:Child; D002849:Chromatography, Gas; D005069:Evaluation Studies as Topic; D006801:Humans; D008722:Methods; D008832:Microchemistry; D010634:Phenobarbital / Q000302:isolation & purification; D012463:Saliva / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013805:Theobromine / Q000302:isolation & purification; D013806:Theophylline / Q000032:analysis* / Q000097:blood / Q000627:therapeutic use; D014465:Ultrasonics
chemical_list: D013806:Theophylline; D013805:Theobromine; D010634:Phenobarbital