1. Hydrophilic Gels for Biological Use
2. Hoffman, A. S. 1975.Polymers in Medicine and Surgery, Edited by: Kronenthal, R. N., Oser, Z. and Martin, E. 33New York: Plenum.
3. Hydrogels in Biomedical Applications
4. Tighe, B. J. 1987.Hydrogels in Medicine and Pharmacy. Volume III. Properties and Applications, Edited by: Peppas, N. A. 53Boca Raton, Florida: CRC Press.