title: Quantitative GLC analysis of theophylline, ephedrine hydrochloride, and phenobarbital suspension.
mesh_terms: D002849:Chromatography, Gas / Q000295:instrumentation; D004338:Drug Combinations; D004809:Ephedrine / Q000032:analysis*; D008722:Methods; D010634:Phenobarbital / Q000032:analysis*; D013535:Suspensions / Q000032:analysis; D013696:Temperature; D013806:Theophylline / Q000032:analysis*
chemical_list: D004338:Drug Combinations; D013535:Suspensions; D013806:Theophylline; D004809:Ephedrine; D010634:Phenobarbital