1. Clarke's Isolation and identification of Drugs, second ed., Pharmaceutical Press, London, 1986, p. 1037
2. The British Pharmacopoeia, Her Majesty's Stationery Office, London, 1973, p. 481.
3. The United States Pharmacopoeia, XIX, US Pharmacopeia, Rockville, 1975, p. 517.
4. Pulsed-laser fluorescence detection in capillary zone electrophoresis of some banned substances in sport