1. The United States Pharmacopeia, 32 Ed., National Formulary 27, United States Pharmacopeial convention INC, USA (2009).
2. The Complete Drug Reference “The Extra Pharmacopoeia;Martindale,2007
3. “The British Pharmacopoeia”;Stationery Office (Great Britain),2009
4. Simultaneous determination of paracetamol and caffeine in human plasma by HPLC;Xue;Chin. J. Hosp. Pharm.,2005
5. Determination of two constituents in compound acetaminophen and pamabrom tablets in human plasma by high performance liquid chromatography;Zhou;Chin. J. New Drugs Clin. Remedies,2007