Cephalosporin antibiotic interference with analysis for theophylline by high-performance liquid chromatography.
D002511:Cephalosporins / Q000097:blood; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D013806:Theophylline / Q000097:blood*
D002511:Cephalosporins; D013806:Theophylline