References
- Baun D. C., Walker G. C. J.Pharm. Sci. 1969; 58: 611
- “The United States Pharmacopia”, 19th rev. Mack Publishing Co., Easton, PA 1975; 650
- Javaid K. A., Cadwallader D. E. J.Pharm. Sci. 1972; 61: 1370
- Higuchi T., Brochman-Hanssen I. Pharmaceutical Analysis. Interscience Publishers, Inc., NY 1961; 417
- “Merck Index,” 8th ed. Merck and Co., Inc., Rahway, NJ 1968; 12, 277