TY - SER AU - Talwar,Dinesh AU - Watson,Ian D. AU - Stewart,Mike J. TI - Routine analysis of amphetamine class drugs as their naphthaquinone derivatives in human urine by high-performance liquid chromatography ISSN - 0378-4347 Sources - Journal of Chromatography B. Sources - 735 (2) 1999 : 229-241 ER -