title: Some infants receiving theophylline may have caffeine in serum.
mesh_terms: D000628:Aminophylline / Q000627:therapeutic use; D001991:Bronchitis / Q000188:drug therapy; D002110:Caffeine / Q000097:blood*; D002851:Chromatography, High Pressure Liquid; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013806:Theophylline / Q000378:metabolism* / Q000627:therapeutic use
chemical_list: D000628:Aminophylline; D002110:Caffeine; D013806:Theophylline