References
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- Fanger G. O., Miller R. E., McNiff R. G., U.S. Patent 3 531 418, 1970
- Harris M. S. Preparation and release characteristics of potassium chloride micro capsules. Journal of Pharmaceutical Sciences 1981; 70: 41–44
- Vandegaer J. E. Microencapsulation Processes and Applications. Plenum Press, New York 1974; 21