1. Hanko, V.P. and Rohrer, J.S., J. Pharm. Biomed. Anal., 2007, vol. 43, p. 131.
2. Adams, E., Liu L., Dierick, K., Guyomard, S., Nabet, P., Rico, S., Louis, P., Roets, E., and Hoogmartens, J., J. Pharm. Biomed. Anal., 1998, vol. 17, p. 757.
3. British Pharmacopoeia 98/34/EEC. London: The Stationery Office, 2005, p. 957.
4. Jugoslovenska farmakopeja 2000. (Yugoslav Pharmacopoeia 2000) (In Serbian), Belgrade, Savezni zavod za za titu i unapre enje zdravlja i Savremena administracija, vol. 1, 5th ed., 2001, p. 751.
5. Jawetz, E. / Basic & Clinical Pharmacology / Ed. Katzung, B.G., 6th ed., Norwalk, Connecticut: Appleton & Lange, 1995, p. 699.