Reversed-phase high-performance liquid chromatographic determination of caffeine and its N-demethylated metabolites in dog plasma.
D000818:Animals; D002110:Caffeine / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004285:Dogs; D008297:Male; D012016:Reference Values; D013805:Theobromine / Q000097:blood; D013806:Theophylline / Q000097:blood; D013997:Time Factors
D002110:Caffeine; D013806:Theophylline; D013805:Theobromine; C021183:1,7-dimethylxanthine