References
- Hanson Research Corp. Northridge, California
- Technicon, Tarrytown, New York.
- Applied Analytical Industries. Concord, Massachussetts
- Cioffi F. J., Martynovyćh S., Bendrot H. J. Pharm. Sci. 1979; 68(10)1280
- Wahlich J. C. Pharmaceutical Technology 1980; 4: 92
- 1980; 959, United States Pharmacopoeia rev. XX, National Formulary rev. XV United States Pharmacopoeia1 Convention, Inc., Rockville, Maryland
- General Linear Models. SAS User's Guide. SAS Institute, Inc., Cary, North Carolina 1979; 237
- Hellma Cells. Jamaica, New York