title: Determination of theophylline and probenecid in biological material.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002110:Caffeine / Q000032:analysis; D002725:Chloroform; D002845:Chromatography; D002849:Chromatography, Gas; D006863:Hydrogen-Ion Concentration; D008722:Methods; D011339:Probenecid / Q000032:analysis* / Q000097:blood; D012997:Solvents; D013805:Theobromine / Q000032:analysis; D013806:Theophylline / Q000032:analysis* / Q000097:blood; D014867:Water
chemical_list: D012997:Solvents; D014867:Water; D002110:Caffeine; D002725:Chloroform; D013806:Theophylline; D013805:Theobromine; D011339:Probenecid