References
- Porter S. C. Drug and Cosmetic Industry 1981; 128: 44–51
- Porter S. C. Pharm. Tech. 1980; 4: 66–75
- Reiland T. L., Eber A. C. Drug Dev. Ind. Phar. 1986; 12: 231–245
- Prater D. A., Wilde J. S., Meakin B. J. J. Pharm. Pharmacol. 1980; 32: 90P
- Strategy of Experimentation. E. I. du Pont de Nemours & Co., Wilmington, Del. 1975; 29