REFERENCES
- Weed D. H., Jr. A statistically integrated approach to analytical method validation. Pharm. Technol. 1999; 23(10)116
- Chan D. S. Extemporaneous formulations: how to evaluate HPLC stability studies. Int. J. Pharm. Compounding 1999; 3(6)
- Crenshaw T. L., Goldberg J. P. Sexual Pharmacology: Drugs that Affect Sexual Functioning. Norton, New York 1996
- The Plant Alkaloids, T. A. Henry, A. Churchill. 3rd ed., London 1939
- Popl M., Fahnrich J., Tatar V. Chromatographic Analysis of Alkaloids. Marcel Dekker, New York 1990