title: Micro-method for the determination of caffeine and theophylline allowing direct application of biological fluids to thin-layer chromatography plates.
mesh_terms: D001049:Apnea / Q000097:blood / Q000378:metabolism* / Q000652:urine; D002110:Caffeine / Q000032:analysis* / Q000097:blood / Q000652:urine; D002648:Child; D002675:Child, Preschool; D002855:Chromatography, Thin Layer; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000097:blood / Q000378:metabolism* / Q000652:urine; D008297:Male; D008832:Microchemistry; D012463:Saliva / Q000032:analysis*; D013806:Theophylline / Q000032:analysis* / Q000097:blood / Q000652:urine
chemical_list: D002110:Caffeine; D013806:Theophylline