Submitted on: 26 December 2014.
Revised on: 11 January 2015.
Accepted on: 29 January 2015.
Materials Science & Engineering C-Materials for Biological Applications
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Submitted on: 03 August 1998.
Revised on: 01 September 1998.
Accepted on: 07 September 1998.
Materials Science & Engineering C-Materials for Biological Applications